AutoICD API

A18.31

Billable

Tuberculous peritonitis

Tuberculous peritonitis

Status

Billable / Specific

Block

A15-A19

Parent Code

A18.3

Coding Notes

Inclusion Terms

Alternative clinical terms for this condition

  • Tuberculous ascites

Includes

Conditions included under this code

  • diseases generally recognized as communicable or transmissible
  • infections due to Mycobacterium tuberculosis and Mycobacterium bovis

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

  • certain localized infections - see body system-related chapters
  • congenital tuberculosis (P37.0)
  • nonspecific reaction to test for tuberculosis without active tuberculosis (R76.1-)
  • pneumoconiosis associated with tuberculosis, any type in A15 (J65)
  • positive PPD (R76.11)
  • positive tuberculin skin test without active tuberculosis (R76.11)
  • sequelae of tuberculosis (B90.-)
  • silicotuberculosis (J65)

Excludes 2

Conditions not included here, but the patient may have both

  • carrier or suspected carrier of infectious disease (Z22.-)
  • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
  • infectious and parasitic diseases specific to the perinatal period (P35-P39)
  • influenza and other acute respiratory infections (J00-J22)

Use Additional Code

Additional codes that should follow this code

  • code to identify resistance to antimicrobial drugs (Z16.-)

Also Known As / Clinical Terms

SNOMED CT

UMLS

Frequently Asked Questions

What is the ICD-10 code for tuberculous peritonitis?

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.

What does ICD-10 code A18.31 mean?

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.

Is A18.31 a billable code?

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

What chapter is A18.31 in?

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

What codes cannot be used with A18.31?

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.

Are additional codes required with A18.31?

Yes, when using A18.31 you should also code: code to identify resistance to antimicrobial drugs (Z16.-).

What SNOMED CT codes does A18.31 map to?

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.

What are the UMLS CUIs for A18.31?

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.

Automate ICD-10 Coding With AI

Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.

Try FreeView API Docs

Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.