A18.3

A18.3: Tuberculosis of intestines, peritoneum and mesenteric glands

Non-billable headerICD-10-CM

A18.3 is a non-billable header ICD-10-CM code for tuberculosis of intestines, peritoneum and mesenteric glands. It cannot be billed on its own: choose one of the more specific child codes below.

Other codes that can never be billed with A18.3

Their own Excludes1 notes name this code, so the conflict is not listed above.

A04Other bacterial intestinal infections
K65Peritonitis
K67Disorders of peritoneum in infectious diseases classified elsewhere
A18.83Tuberculosis of digestive tract organs, not elsewhere classified

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead A18.3

3 child codes. Green means billable.

A18.31Tuberculous peritonitis
A18.32Tuberculous enteritis
A18.39Retroperitoneal tuberculosis

Other codes under A18

A18.0Tuberculosis of bones and joints
A18.1Tuberculosis of genitourinary system
A18.2Tuberculous peripheral lymphadenopathy
A18.4Tuberculosis of skin and subcutaneous tissue
A18.5Tuberculosis of eye
A18.6Tuberculosis of (inner) (middle) ear
A18.7Tuberculosis of adrenal glands
A18.8Tuberculosis of other specified organs