ICD-10 · PDGM grouping
K90 Intestinal malabsorption
All 13 codes in the K90 family, with the PDGM clinical group, comorbidity subgroup and primary-position rule CMS assigns, read from the CMS grouper crosswalk v07.2.26 and the CDC FY2027 code file.
Codes in family
13
Can lead a claim
13
Cannot lead a claim
0
What CMS assigns to K90
All 13 codes group to MMTA - Gastrointestinal tract and Genitourinary system (12) and MMTA - Other (1). 1 of the 13 counts toward the Crohn’s, Ulcerative Colitis, and other Functional Intestinal Disorders comorbidity subgroup; 12 are assigned none. Every code can lead a claim.
- Crohn’s, Ulcerative Colitis, and other Functional Intestinal Disorders
Every code in K90
Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.
| Code | Description | Primary position | Clinical group | Comorbidity subgroup |
|---|---|---|---|---|
| K90.0 | Celiac disease | Can lead a claim | J | Crohn’s, Ulcerative Colitis, and other Functional Intestinal Disorders |
| K90.1 | Tropical sprue | Can lead a claim | J | None |
| K90.2 | Blind loop syndrome, not elsewhere classified | Can lead a claim | A | None |
| K90.3 | Pancreatic steatorrhea | Can lead a claim | J | None |
| K90.4 Other malabsorption due to intolerance | ||||
| K90.41 | Non-celiac gluten sensitivity | Can lead a claim | J | None |
| K90.49 | Malabsorption due to intolerance, not elsewhere classified | Can lead a claim | J | None |
| K90.8 Other intestinal malabsorption | ||||
| K90.81 | Whipple's disease | Can lead a claim | J | None |
| K90.82 Short bowel syndrome | ||||
| K90.821 | Short bowel syndrome with colon in continuity | Can lead a claim | J | None |
| K90.822 | Short bowel syndrome without colon in continuity | Can lead a claim | J | None |
| K90.829 | Short bowel syndrome, unspecified | Can lead a claim | J | None |
| K90.83 | Intestinal failure | Can lead a claim | J | None |
| K90.89 | Other intestinal malabsorption | Can lead a claim | J | None |
| K90.9 | Intestinal malabsorption, unspecified | Can lead a claim | J | None |
Sources: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01, for the clinical group, comorbidity subgroup, code-first conventions and primary-position flags; CDC NCHS ICD-10-CM FY2027 code descriptions for the family title and code wording. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.
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