ICD-10 code for amebic intestine ulcer

The ICD-10-CM code for amebic intestine ulcer is A06.1 (Chronic intestinal amebiasis). The official index lists 1 more specific code, so check the documentation for details such as type, cause, site or severity before settling on A06.1.

Within A06 (amebiasis), A06.1 is specifically for chronic intestinal amebiasis. Related codes cover acute amebic dysentery (A06.0), amebic nondysenteric colitis (A06.2), Ameboma of intestine (A06.3), amebic liver abscess (A06.4), amebic lung abscess (A06.5), amebic brain abscess (A06.6), cutaneous amebiasis (A06.7), amebic infection of other sites (A06.8) and 1 more.

As a secondary diagnosis it is a CC (complication or comorbidity), which can move an inpatient stay into the "with CC" MS-DRG of its family, unless the principal diagnosis excludes it.

In MS-DRG v44.0, it is part of the grouping logic for DRG 371 (Major Gastrointestinal Disorders and Peritoneal Infections with MCC, relative weight 1.7089), DRG 372 (Major Gastrointestinal Disorders and Peritoneal Infections with CC, relative weight 0.9964) and DRG 373 (Major Gastrointestinal Disorders and Peritoneal Infections without CC/MCC, relative weight 0.6941), in MDC 06 (Diseases and Disorders of the Digestive System), as a principal or secondary diagnosis. The DRG a claim lands in depends on the principal diagnosis, procedures and any CC/MCC secondary diagnoses.