681.11 Onychia / paronychia of toe . The affected skin is swollen and inflamed and is typically painful and warm to the touch. It is found in the 2023 version of the ICD-10 Clinical Modification (CM) and can be used in all HIPAA-covered transactions from Oct 01, 2022 - Sep 30, 2023. Promote coding specificity and improved quality of care. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. Contact, icd 10 code for other intra articular left distal radius fracture, icd 10 cm code for hallucination alcohol induced, icd 10 code for diabetic ulcer of right foot, what is the icd 10 code for rupture heart ventricle, icd-10-cm code for nausea with vomiting and diarrhea, billable icd 10 code for cellulitis of right buttocks, amputation stump (surgical) (late) - T87.89 Other complications of amputation stump. The bacteria enter your body when you get an injury such as a bruise, burn, surgical cut, or wound. L03.317 is a valid billable ICD-10 diagnosis code for Cellulitis of buttock. 1 Testicular hypofunction), but the note for this is not at E78. Infections of the skin and subcutaneous tissue. This is the American ICD-10-CM version of L03.317 - other international versions of ICD-10 L03.317 may differ. To view the entire topic, please log in or purchase a subscription. See below for any exclusions, inclusions or special notations. A note appears in the Tabular under the section Infections of the Skin and Subcutaneous Tissue Group A strep (streptococcal) bacteria are the most common cause. Cellulitis of buttock: L03319: Cellulitis of trunk, unspecified: L03321: Acute lymphangitis of abdominal wall: If I and D is done till subcutaneous level cpt code is 10061. L03.317 - Cellulitis of buttock Code Code Tree Want to read the entire topic? L03.312 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Cellulitis is an infection of the skin and deep underlying tissues. The note in ICD-10 under codes B95-B97 states that 'these categories are provided for use as supplementary or additional codes to identify the infectious agent(s) in disease classified elsewhere', so you would not use B96. L03.818 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. L03.317 is a valid billable ICD-10 diagnosis code for Cellulitis of buttock . 682.3 Cellulitis and abscess of upper arm and forearm convert 682.3 to ICD-10-CM. L03.317 - Cellulitis of buttock. Finding the right ICD-10 code is not always easy. L03.031 Cellulitis of right toe . ICD-10-CM. 604 for Pain in right leg is a medical classification as listed by WHO under the range - Soft tissue disorders . A type 2 Excludes note represents 'Not included here'. 90 for Cellulitis, unspecified is a medical classification as listed by WHO under the range - Diseases of the skin and subcutaneous tissue . L03.011 is a valid billable ICD-10 diagnosis code for Cellulitis of right finger . Do you include decimal points in ICD-10? Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes. Share this page with a friend or colleague. In this context, annotation back-references refer to codes that contain: This is the American ICD-10-CM version of, certain conditions originating in the perinatal period (, certain infectious and parasitic diseases (, complications of pregnancy, childbirth and the puerperium (, congenital malformations, deformations, and chromosomal abnormalities (, endocrine, nutritional and metabolic diseases (, symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (, local infections of skin classified in Chapter 1, relapsing panniculitis [Weber-Christian] (, cellulitis of female external genital organs (, cellulitis of male external genital organs (, febrile neutrophilic dermatosis [Sweet] (. HCC Plus. 0HR8X73 is a valid billable ICD-10 procedure code for Replacement of Buttock Skin with Autologous Tissue Substitute, Full Thickness, External Approach . It is found in the 2021 version of the ICD-10 Clinical Modification (CM) and can be used in all HIPAA-covered transactions from Oct 01, 2020 - Sep 30, 2021 . NEC Not elsewhere classifiable as the code above the Excludes1 note. Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes. Diagnosis. Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes. L03.312 - Cellulitis of back [any part except buttock], L03.319 - Cellulitis of trunk, unspecified. L03.317 is a valid billable ICD-10 diagnosis code for Cellulitis of buttock . Chapter 12 - Diseases of the skin and subcutaneous tissue (L00-L99) Infections of the skin and subcutaneous tissue (L00-L08) Cellulitis of back [any part except buttock] (L03.312) ET - 10 Codes within the T section that include the external cause do not require an additional external cause code, code to identify any retained foreign body, if applicable (, effects of foreign body in anus and rectum (, effects of foreign body in genitourinary tract (, effects of foreign body in stomach, small intestine and colon (, traumatic amputation of part of abdomen, lower back and pelvis (. Cellulitis of right lower limb Billable Code L03.115 is a valid billable ICD-10 diagnosis code for Cellulitis of right lower limb . In this context, annotation back-references refer to codes that contain: This is the American ICD-10-CM version of, certain conditions originating in the perinatal period (, certain infectious and parasitic diseases (, complications of pregnancy, childbirth and the puerperium (, congenital malformations, deformations, and chromosomal abnormalities (, endocrine, nutritional and metabolic diseases (, symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (, local infections of skin classified in Chapter 1, relapsing panniculitis [Weber-Christian] (, cellulitis of female external genital organs (, cellulitis of male external genital organs (, febrile neutrophilic dermatosis [Sweet] (. Do you include decimal points in ICD-10? An Excludes1 note indicates that the code excluded should never be used at the same time The above description is abbreviated. Select Try/Buy and follow instructions to begin your free 30-day trial, 20002023 Unbound Medicine, Inc. All rights reserved, TY - ELEC It is found in the 2023 version of the ICD-10 Clinical Modification (CM) and can be used in all HIPAA-covered transactions from Oct 01, 2022 - Sep 30, 2023 . The inclusion terms are not necessarily exhaustive. Wherever such a combination exists, there is a use additional code note at the etiology code, and a code first note at the manifestation code. Cellulitis of buttock: L03319: Cellulitis of trunk, unspecified: L03321: Acute lymphangitis of abdominal wall: L03.119 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Documentation confirmed the culture growth of Staphylococcus aureus without mention of MRSA from the gastrostomy site. In this context, annotation back-references refer to codes that contain: This is the American ICD-10-CM version of, certain conditions originating in the perinatal period (, certain infectious and parasitic diseases (, complications of pregnancy, childbirth and the puerperium (, congenital malformations, deformations, and chromosomal abnormalities (, endocrine, nutritional and metabolic diseases (, symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (, local infections of skin classified in Chapter 1, relapsing panniculitis [Weber-Christian] (, cellulitis of female external genital organs (, cellulitis of male external genital organs (, febrile neutrophilic dermatosis [Sweet] (. Please let us know if there is anything we can do better to help make your job easier. We can send an email to someone you designate with this information as well. For such conditions, the ICD-10-CM has a coding convention that requires the underlying condition be sequenced first, if applicable, followed by the manifestation. ICD-10 . PB - Centers for Medicare and Medicaid Services and the National Center for Health Statistics DB - ICD-10-CM ICD-10-CM 2023 Coding Guide from Unbound Medicine. Additional terms found only in the Alphabetic Index may also be assigned to a code. The 2022 edition of ICD-10-CM L03.119 became effective on October 1, 2021. Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes. Cellulitis of right lower limb: L03116: Cellulitis of left lower limb: L03119: Cellulitis of unspecified part of limb: L03121: . Subscribe to Codify by AAPC and get the code details in a flash. Type your tag names separated by a space and hit enter. Certain conditions have both an underlying etiology and multiple body system manifestations due to the underlying etiology. Cellulitis is an infection that involves the deeper layers of the skin i.e. It is found in the 2021 version of the ICD-10 Clinical Modification (CM) and can be used in all HIPAA-covered transactions from Oct 01, 2020 - Sep 30, 2021 . The ICD code L89 is used to code Pressure ulcer ICD-10-CM Code (s): L02.31 Cutaneous abscess of buttock E11.9 Type 2 diabetes mellitus without complication Z79.4 Long-term (current) use of insulin Rationale: This patient has a buttock abscess and type 2 diabetes mellitus. ICD-10-CM Code for Cellulitis of buttock L03. 1. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the other specified code. Open wound of right buttock ICD-10-CM S31.819A is grouped within Diagnostic Related Group (s) (MS-DRG v40.0): 604 Trauma to the skin, subcutaneous tissue and breast with mcc 605 Trauma to the skin, subcutaneous tissue and breast without mcc 963 Other multiple significant trauma with mcc 964 Other multiple significant trauma with cc UR - https://www.unboundmedicine.com/icd/view/ICD-10-CM/870446/all/L03_317___Cellulitis_of_buttock An Excludes2 note indicates that the condition excluded is not part of the condition it is excluded from Infection of nail . Cellulitis of unspecified part of limb L03. DP - Unbound Medicine 681.10 Cellulitis of toe, NOS . In this context, annotation back-references refer to codes that contain: This is the American ICD-10-CM version of, certain conditions originating in the perinatal period (, certain infectious and parasitic diseases (, complications of pregnancy, childbirth and the puerperium (, congenital malformations, deformations, and chromosomal abnormalities (, endocrine, nutritional and metabolic diseases (, symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (, local infections of skin classified in Chapter 1, relapsing panniculitis [Weber-Christian] (, cellulitis of female external genital organs (, cellulitis of male external genital organs (, febrile neutrophilic dermatosis [Sweet] (. It means 'NOT CODED HERE!' It is found in the 2022 version of the ICD-10 Procedure Coding System (PCS) and can be used in all HIPAA-covered transactions from Oct 01, 2021 - Sep 30, 2022 . L03.312 is a valid billable ICD-10 diagnosis code for Cellulitis of back [any part except buttock] . ICD-10-CM/PCS MS-DRG v38.0 R1 Definitions Manual: . There's more to see -- the rest of this topic is available only to subscribers. Your doctor will likely be able to diagnose cellulitis by looking at your skin. A 'billable code' is detailed enough to be used to specify a medical diagnosis. aorta, dissecting - I71.00 Dissection of unspecified site of aorta abdominal - I71.02 Dissection of abdominal aorta thoracic - I71.01 Dissection of thoracic aorta thoracoabdominal - I71.03 Dissection of thoracoabdominal aortic intramural - See: Dissection, aorta. The 2023 edition of ICD-10-CM L03.312 became effective on October 1, 2022. ER -, Your free 1 year of online access expired. 682.2 Cellulitis and abscess of trunk convert 682.2 to ICD-10-CM. Cellulitis of buttock Billable Code L03.317 is a valid billable ICD-10 diagnosis code for Cellulitis of buttock . ICD-10-CM L03.317 - Cellulitis of buttock Code L03.317 - Cellulitis of buttock [Billable] There's more to see -- the rest of this topic is available only to subscribers. It is found in the 2023 version of the ICD-10 Clinical Modification (CM) and can be used in all HIPAA-covered transactions from Oct 01, 2022 - Sep 30, 2023 . This is the American ICD-10-CM version of L89.312 - other international versions of ICD-10 L89.312 may differ. In this context, annotation back-references refer to codes that contain: This is the American ICD-10-CM version of, certain conditions originating in the perinatal period (, certain infectious and parasitic diseases (, complications of pregnancy, childbirth and the puerperium (, congenital malformations, deformations, and chromosomal abnormalities (, endocrine, nutritional and metabolic diseases (, symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (, local infections of skin classified in Chapter 1, relapsing panniculitis [Weber-Christian] (, abscess of female genital organs (external) (, abscess of male genital organs (external) (. Cellulitis usually affects the lower legs, but it can occur on the face, arms and other areas. A268 Other forms of erysipeloid L89319 Pressure ulcer of right buttock . See also: Copyright 2022 ICD Codes | version 5.1.20 (commit d0adbc) Laravel v 8.83.26 | (PHP v8.1.16), Home (current) | By the time he is seen, cellulitis is beginning to develop. This means that while there is no exact mapping between this ICD10 code L03.317 and a single ICD9 code, 682.5 is an approximate match for comparison and . L03.039 Cellulitis of unspecified toe . DO NOT include the decimal point when electronically filing claims as it may be rejected. In. L03. It occurs when bacteria attack broken or normal skin and start to spread under the skin and into the soft tissues beneath the skin. This section shows you chapter-specific coding guidelines to increase your understanding and correct usage of the target ICD-10-CM Volume 1 code. They may also find it useful. You'll need to take the antibiotic for the full course, usually 5 to 10 days, even if you start to feel better. This code description may also have Includes, Excludes, Notes, Guidelines, Examples and other information. Cellulitis of right lower limb L03.116 Cellulitis of left lower limb . Cellulitis and abscess of buttock Short description: Cellulitis of buttock. L89.312 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. All content is provided AS IS. ID - 870446 Diseases of the skin and subcutaneous tissue. 116. Access to this feature is available in the following products: Find-A-Code Essentials. 2 Mixed hyperlipidemia cannot be coded with 5-alpha-reductase deficiency (E29. This review describes the ultrasound technique used, the relevant ultrasound anatomy, and the sonographic appearances of common and uncommon pat Sonographic examination of the buttock It is found in the 2021 version of the ICD-10 Clinical Modification (CM) and can be used in all HIPAA-covered transactions from Oct 01, 2020 - Sep 30, 2021 . L03.312. 2 Venous insufficiency (chronic)(peripheral). Disclaimer | 116 - Cellulitis of left lower limb. BT - ICD-10-CM Cellulitis and abscess of buttock (approximate match) This is the official approximate match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. It is found in the 2022 version of the ICD-10 Clinical Modification (CM) and can be used in all HIPAA-covered transactions from Oct 01, 2021 - Sep 30, 2022 . Its extremely important to teach patients the difference between true allergic reactions to drugs and anticipated adverse effects to drugs beca Diseases of the skin and subcutaneous tissue, Infections of the skin and subcutaneous tissue, Copyright 2023. L03.31 for Cellulitis of trunk. Cellulitis of unspecified part of limb. Submitting the wrong code can cause delays in processing claims and payments. 119 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. A type 1 Excludes note is a pure excludes. L02.31 Cutaneous abscess buttock Cellulitis (sel-u-LIE-tis) is a common, potentially serious bacterial skin infection. Cellulitis of face Billable Code. Get crucial instructions for accurate ICD-10-CM L03.317 coding with all applicable Excludes 1 and Excludes 2 notes from the section level conveniently shown with each code. Some clearinghouses may remove it for you but to avoid having a rejected claim due to an invalid ICD-10 code, do not include the decimal point when submitting claims electronically. In: * Article titles in AMA citation format should be in sentence-case, You can cancel anytime within the 30-day trial, or continue using ICD-10-CM to begin a 1-year subscription ($39.95). Pressure ulcer of right buttock, stage 2 BILLABLE | ICD-10 from 2011 - 2016 L89.312 is a billable ICD code used to specify a diagnosis of pressure ulcer of right buttock, stage 2. ICD-10-CM Code for Cellulitis of left lower limb L03. A code also note instructs that two codes may be required to fully describe a condition, but this note does not provide sequencing direction. Cellulitis of right lower limb: L03116: Cellulitis of left lower limb: L03119: Cellulitis of unspecified part of limb: L03121: . ICD-10 code M79. ICD-10 code: I87. Cellulitis treatment usually includes a prescription oral antibiotic. Within three days of starting an antibiotic, let your health care provider know whether the infection is responding to treatment. Code: The patient has cellulitis of the abdominal wall extending from an infected gastrostomy site. In this context, annotation back-references refer to codes that contain: This is the American ICD-10-CM version of, Healing pressure ulcer of right buttock, stage 2, Pressure ulcer with abrasion, blister, partial thickness skin loss involving epidermis and/or dermis, right buttock, certain conditions originating in the perinatal period (, certain infectious and parasitic diseases (, complications of pregnancy, childbirth and the puerperium (, congenital malformations, deformations, and chromosomal abnormalities (, endocrine, nutritional and metabolic diseases (, symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (, decubitus (trophic) ulcer of cervix (uteri) (. 682.5 Cellulitis and abscess of buttock . L03- Cellulitis and acute lymphangitis . 682.5. The wound is cleansed of foreign material, nonexcisional debridement is carried out, and antibiotics are started for the cellulitis. The following ICD-10-CM code(s) have been deleted and therefore removed from the Article: DO NOT include the decimal point when electronically filing claims as it may be rejected. ICD-9 to ICD-10 . Our physicians have used IDC-10 code F07. It is found in the 2022 version of the ICD-10 Clinical Modification (CM) and can be used in all HIPAA-covered transactions from Oct 01, 2021 - Sep 30, 2022 . L03.032 Cellulitis of left toe . 81 as a primary diagnosis, but as an additional code with the disease listed first. Explore these free sample topics: B34.2 - Coronavirus infection, unspecified, E27.1 - Primary adrenocortical insufficiency, -- The first section of this topic is shown below --, -- To view the remaining sections of this topic, please log in or purchase a subscription --. L03.317 Cellulitis buttock ICD-10 code L03.317 for Cellulitis of buttock is a medical classification as listed by WHO under the range - Diseases of the skin and subcutaneous tissue . but to avoid having a rejected claim due to an invalid ICD-10 code, do not include the decimal point when submitting claims electronically. Right thigh cellulitis ICD-10-CM L03.115 is grouped within Diagnostic Related Group (s) (MS-DRG v40.0): 573 Skin graft for skin ulcer or cellulitis with mcc 574 Skin graft for skin ulcer or cellulitis with cc 575 Skin graft for skin ulcer or cellulitis without cc/mcc 602 Cellulitis with mcc 603 Cellulitis without mcc What is the ICd 10 code for cellulitis of buttocks? NOS Not otherwise specified L03.317 is a valid billable ICD-10 diagnosis code for Cellulitis of buttock . L03.317 - Cellulitis of buttock. These terms are the conditions for which that code is to be used. Applicable To Search online 72,000+ ICD-10 codes by number, disease, injury, drug, or keyword. Was the information found on this page useful? ICD-10 data provided by CMS (Centers for Medicare & Medicaid Services). Abscess of buttock ICD-10-CM L02.31 is grouped within Diagnostic Related Group (s) (MS-DRG v40.0): 573 Skin graft for skin ulcer or cellulitis with mcc 574 Skin graft for skin ulcer or cellulitis with cc 575 Skin graft for skin ulcer or cellulitis without cc/mcc 602 Cellulitis with mcc 603 Cellulitis without mcc 791 Prematurity with major problems Review of the Tabular shows that ICD-10-CM classifies the laterality of cellulitis of the lower extremity, with L03.115 being the right lower extremity. Excludes2: cellulitis of anal and rectal regions (K61.-)cellulitis of breast NOS (N61.0)cellulitis of female external genital organs (N76.4)cellulitis of male external genital organs (N48.2, N49.-)omphalitis of newborn (P38.-)puerperal cellulitis of breast (O91.2), Excludes2: cellulitis of anal and rectal region (K61.-)cellulitis of external auditory canal (H60.1)cellulitis of eyelid (H00.0)cellulitis of female external genital organs (N76.4)cellulitis of lacrimal apparatus (H04.3)cellulitis of male external genital organs (N48.2, N49.-)cellulitis of mouth (K12.2)cellulitis of nose (J34.0)eosinophilic cellulitis [Wells] (L98.3)febrile neutrophilic dermatosis [Sweet] (L98.2)lymphangitis (chronic) (subacute) (I89.1). If you need further assistance, please contact Support. ICD-10 | Cellulitis of buttock (L03.317) Cellulitis of buttock L03.317 View ICD-10 Tree Chapter 12 - Diseases of the skin and subcutaneous tissue (L00-L99) Infections of the skin and subcutaneous tissue (L00-L08) Cellulitis of buttock (L03.317) Hierarchy Tree View ICD-10 Loading ICD-9-CM 682.5 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 682.5 should only be used for claims with a date of service on or before September 30, 2015. If pt has Pi See links to CMS documents related to your ICD-10-CM code without changing pages or searching the Web. Cellulitis and acute lymphangitis (L03) Cellulitis of back [any part except buttock] (L03.312) L03.311. This abbreviation in the Tabular List represents other specified. Create your account. Principal diagnosisS81.821A, Laceration with foreign body, right lower leg, initial encounter Additional diagnosisL03.115, Cellulitis of right . Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes. See below for any exclusions, inclusions or special notations. ICD-10 code L03. This abbreviation is the equivalent of unspecified. There is no documentation that the abscess is due to the diabetes, so a combination code is not utilized. Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes. Treatment. The 2022 edition of ICD-10-CM L03. L03.313. but a patient may have both conditions at the same time. Provider coded: Use Additional code (B95-B97) to identify infectious agent. 40 . Request a Demo 14 Day Free Trial Buy Now Official Long Descriptor Cellulitis of buttock L03.31 Patient has: Cellulitis and abscess of buttock | pilonidal cyst Cellulitis is a common, non-contagious bacterial skin infection, usually caused by the streptococcus and staphylococcus germs that enter the deep layers of skin through a wound or sore. See below for any exclusions, inclusions or special notations. The 2023 edition of ICD-10-CM L03.317 became effective on October 1, 2022. ICD-10-CM Diagnosis Codes. Cellulitis is caused by Staph bacteria (Streptococcus & Staphylococcus). Symptoms include: Fever and chills Swollen glands or lymph nodes A rash with painful, red, tender skin. This is the American ICD-10-CM version of L03.818 - other international versions of ICD-10 L03.818 may differ. 115 - Cellulitis of right lower limb | ICD-10-CM. Cellulitis of right toe: L03032: Cellulitis of left toe: L03039: Cellulitis of unspecified toe: L03041: It is found in the 2023 version of the ICD-10 Clinical Modification (CM) and can be used in all HIPAA-covered transactions from Oct 01, 2022 - Sep 30, 2023 . What is the ICd 10 code for cellulitis of buttocks? Cellulitis treatment usually includes a prescription oral antibiotic. Manifestation code as principal diagnosis, Infections of the skin and subcutaneous tissue, local infections of skin classified in Chapter 1, relapsing panniculitis [Weber-Christian] (, cellulitis of female external genital organs (, cellulitis of male external genital organs (, febrile neutrophilic dermatosis [Sweet] (. the dermis and subcutaneous tissue. The 2023 edition of ICD-10-CM L03.818 became effective on October 1, 2022. About | Note: Your username may be different from the email address used to register your account. Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes. K94.22, L03.311, B95.61, Z79.2 L03.317 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. I and D of buttock cpt code is 10060. 115: Cellulitis of right lower limb. Download the ICD-10-CM app by Unbound Medicine, 2. (2018). 682.4 Cellulitis and abscess of hand, except fingers and thumb convert 682.4 to ICD-10-CM. L03.211 is a valid billable ICD-10 diagnosis code for Cellulitis of face . L03. In some cases, he or she may suggest blood tests or other tests to help rule out other conditions. L03.0- Cellulitis and acute lymphangitis of finger and toe . Cellulitis of right finger Billable Code. Privacy | Some clearinghouses may remove it for you ICD-10-CM Codes. List of terms is included under some codes. For example, E78. American Hospital Association ("AHA"), Documenting Drug Allergies and Drug Intolerance. Rationale: Documentation supports that cellulitis is the first listed diagnosis. The latest version of ICD-10 is updated each year on October 1. ICD-10-CM/PCS MS-DRG v37.0 Definitions Manual: Skip to content: . 2022 ICD-10-CM Diagnosis Code L03. Home health will focus on the infection. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.