A18.31

The ICD-10-CM code for tuberculous peritonitis is A18.31. The full clinical description is "Tuberculous peritonitis". A18.31 is a billable/specific code that can be used on insurance claims and medical billing.

ICD-10-CM code A18.31 represents “Tuberculous peritonitis”. It is classified under Chapter 1: Certain Infectious and Parasitic Diseases and is a billable/specific code that can be used on a claim.

Yes, A18.31 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

A18.31 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).

A18.31 has Excludes1 notes indicating codes that cannot be used together with it, including: certain localized infections - see body system-related chapters; congenital tuberculosis (P37.0); nonspecific reaction to test for tuberculosis without active tuberculosis (R76.1-); and 5 more.

Yes, when using A18.31, also report: resistance to antimicrobial drugs (Z16.-).

A18.31 maps to 6 SNOMED CT concepts: 80654001, 307311001, 44572005, 370469003, 186225008, and 1 more. SNOMED CT is a clinical terminology used in electronic health records.

A18.31 is linked to 2 UMLS Concept Unique Identifiers: C0041325, C0275919. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like tuberculous peritonitis affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.

There is no direct ICD-11 mapping available for A18.31 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-11. Use the ICD-10 to ICD-11 converter to search for related codes.