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A18.3

Non-billable

Tuberculosis of intestines, peritoneum and mesenteric glands

Tuberculosis of intestines, peritoneum and mesenteric glands

This is a header/category code. For billing purposes, use a more specific child code from the list below.

Status

Non-billable / Header

Block

A15-A19

Parent Code

A18

Child Codes

3

Coding Notes

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.-)

Child Codes (3)

A18.31

Tuberculous peritonitis

BillableA18.32

Tuberculous enteritis

BillableA18.39

Retroperitoneal tuberculosis

Billable

Also Known As / Clinical Terms

UMLS

Frequently Asked Questions

What is ICD-10 code A18.3?

ICD-10-CM code A18.3 represents "Tuberculosis of intestines, peritoneum and mesenteric glands". It is a non-billable header code — use a more specific child code for billing purposes.

Is A18.3 a billable code?

No, A18.3 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 3 child codes under A18.3.

What chapter is A18.3 in?

A18.3 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).

What codes cannot be used with A18.3?

A18.3 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.

What are the subcategories under A18.3?

A18.3 has 3 child codes, including: A18.31 (Tuberculous peritonitis), A18.32 (Tuberculous enteritis), A18.39 (Retroperitoneal tuberculosis).

Are additional codes required with A18.3?

Yes, when using A18.3 you should also code: code to identify resistance to antimicrobial drugs (Z16.-).

What are the UMLS CUIs for A18.3?

A18.3 is linked to 1 UMLS Concept Unique Identifier: C0152717. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

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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.