ICD-10 · PDGM grouping
K50 Crohn's disease [regional enteritis]
All 28 codes in the K50 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.
ICD-10-CM FY2027 · CMS grouper v07.2.26
Codes in family
28
Can lead a claim
24
Cannot lead a claim
4
What CMS assigns to K50
24 of the 28 codes group to MMTA - Gastrointestinal tract and Genitourinary system (23) and MMTA - Other (1); 4 are assigned no clinical group. Comorbidity subgroups: 20 toward Crohn’s, Ulcerative Colitis, and other Functional Intestinal Disorders; 4 toward Intestinal Obstruction and Ileus; 4 are assigned none. 24 of the 28 can lead a claim.
- Crohn’s, Ulcerative Colitis, and other Functional Intestinal Disorders
- Intestinal Obstruction and Ileus: can award the low comorbidity tier as a secondary diagnosis.
Every code in K50
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 |
|---|---|---|---|---|
| K50.0 Crohn's disease of small intestine | ||||
| K50.00 | Crohn's disease of small intestine without complications | Can lead a claim | J | Crohn’s, Ulcerative Colitis, and other Functional Intestinal Disorders |
| K50.01 Crohn's disease of small intestine with complications | ||||
| K50.011 | Crohn's disease of small intestine with rectal bleeding | Can lead a claim | J | Crohn’s, Ulcerative Colitis, and other Functional Intestinal Disorders |
| K50.012 | Crohn's disease of small intestine with intestinal obstructionCMS: Crohn's disease of small intestine w intestinal obstruction | Can lead a claim | J | Intestinal Obstruction and Ileus |
| K50.013 | Crohn's disease of small intestine with fistula | Can lead a claim | J | Crohn’s, Ulcerative Colitis, and other Functional Intestinal Disorders |
| K50.014 | Crohn's disease of small intestine with abscess | Can lead a claim | J | Crohn’s, Ulcerative Colitis, and other Functional Intestinal Disorders |
| K50.018 | Crohn's disease of small intestine with other complication | Can lead a claim | J | Crohn’s, Ulcerative Colitis, and other Functional Intestinal Disorders |
| K50.019 | Crohn's disease of small intestine with unspecified complicationsCMS: Crohn's disease of small intestine with unsp complications | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| K50.1 Crohn's disease of large intestine | ||||
| K50.10 | Crohn's disease of large intestine without complications | Can lead a claim | J | Crohn’s, Ulcerative Colitis, and other Functional Intestinal Disorders |
| K50.11 Crohn's disease of large intestine with complications | ||||
| K50.111 | Crohn's disease of large intestine with rectal bleeding | Can lead a claim | J | Crohn’s, Ulcerative Colitis, and other Functional Intestinal Disorders |
| K50.112 | Crohn's disease of large intestine with intestinal obstructionCMS: Crohn's disease of large intestine w intestinal obstruction | Can lead a claim | J | Intestinal Obstruction and Ileus |
| K50.113 | Crohn's disease of large intestine with fistula | Can lead a claim | J | Crohn’s, Ulcerative Colitis, and other Functional Intestinal Disorders |
| K50.114 | Crohn's disease of large intestine with abscess | Can lead a claim | J | Crohn’s, Ulcerative Colitis, and other Functional Intestinal Disorders |
| K50.118 | Crohn's disease of large intestine with other complication | Can lead a claim | J | Crohn’s, Ulcerative Colitis, and other Functional Intestinal Disorders |
| K50.119 | Crohn's disease of large intestine with unspecified complicationsCMS: Crohn's disease of large intestine with unsp complications | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| K50.8 Crohn's disease of both small and large intestine | ||||
| K50.80 | Crohn's disease of both small and large intestine without complicationsCMS: Crohn's disease of both small and lg int w/o complications | Can lead a claim | J | Crohn’s, Ulcerative Colitis, and other Functional Intestinal Disorders |
| K50.81 Crohn's disease of both small and large intestine with complications | ||||
| K50.811 | Crohn's disease of both small and large intestine with rectal bleedingCMS: Crohn's disease of both small and lg int w rectal bleeding | Can lead a claim | J | Crohn’s, Ulcerative Colitis, and other Functional Intestinal Disorders |
| K50.812 | Crohn's disease of both small and large intestine with intestinal obstructionCMS: Crohn's disease of both small and lg int w intestinal obst | Can lead a claim | J | Intestinal Obstruction and Ileus |
| K50.813 | Crohn's disease of both small and large intestine with fistulaCMS: Crohn's disease of both small and large intestine w fistula | Can lead a claim | J | Crohn’s, Ulcerative Colitis, and other Functional Intestinal Disorders |
| K50.814 | Crohn's disease of both small and large intestine with abscessCMS: Crohn's disease of both small and large intestine w abscess | Can lead a claim | A | Crohn’s, Ulcerative Colitis, and other Functional Intestinal Disorders |
| K50.818 | Crohn's disease of both small and large intestine with other complicationCMS: Crohn's disease of both small and lg int w oth complication | Can lead a claim | J | Crohn’s, Ulcerative Colitis, and other Functional Intestinal Disorders |
| K50.819 | Crohn's disease of both small and large intestine with unspecified complicationsCMS: Crohn's disease of both small and lg int w unsp comp | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| K50.9 Crohn's disease, unspecified | ||||
| K50.90 | Crohn's disease, unspecified, without complications | Can lead a claim | J | Crohn’s, Ulcerative Colitis, and other Functional Intestinal Disorders |
| K50.91 Crohn's disease, unspecified, with complications | ||||
| K50.911 | Crohn's disease, unspecified, with rectal bleeding | Can lead a claim | J | Crohn’s, Ulcerative Colitis, and other Functional Intestinal Disorders |
| K50.912 | Crohn's disease, unspecified, with intestinal obstruction | Can lead a claim | J | Intestinal Obstruction and Ileus |
| K50.913 | Crohn's disease, unspecified, with fistula | Can lead a claim | J | Crohn’s, Ulcerative Colitis, and other Functional Intestinal Disorders |
| K50.914 | Crohn's disease, unspecified, with abscess | Can lead a claim | J | Crohn’s, Ulcerative Colitis, and other Functional Intestinal Disorders |
| K50.918 | Crohn's disease, unspecified, with other complication | Can lead a claim | J | Crohn’s, Ulcerative Colitis, and other Functional Intestinal Disorders |
| K50.919 | Crohn's disease, unspecified, with unspecified complications | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | 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.
The monthly home health regs digest
What CMS changed, what's due next, and what to do about it — one email a month, no fluff. Read the first issue