ICD-10 · PDGM grouping
A18 Tuberculosis of other organs
All 32 codes in the A18 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
32
Can lead a claim
31
Cannot lead a claim
1
What CMS assigns to A18
31 of the 32 codes group to MMTA - Infectious Disease, Neoplasms, and Blood-Forming Diseases (27) and Musculoskeletal Rehabilitation (4); 1 is assigned no clinical group. None of the 32 is assigned a comorbidity subgroup. 31 of the 32 can lead a claim.
Every code in A18
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 |
|---|---|---|---|---|
| A18.0 Tuberculosis of bones and joints | ||||
| A18.01 | Tuberculosis of spine | Can lead a claim | E | None |
| A18.02 | Tuberculous arthritis of other joints | Can lead a claim | E | None |
| A18.03 | Tuberculosis of other bones | Can lead a claim | E | None |
| A18.09 | Other musculoskeletal tuberculosis | Can lead a claim | E | None |
| A18.1 Tuberculosis of genitourinary system | ||||
| A18.10 | Tuberculosis of genitourinary system, unspecified | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| A18.11 | Tuberculosis of kidney and ureter | Can lead a claim | K | None |
| A18.12 | Tuberculosis of bladder | Can lead a claim | K | None |
| A18.13 | Tuberculosis of other urinary organs | Can lead a claim | K | None |
| A18.14 | Tuberculosis of prostate | Can lead a claim | K | None |
| A18.15 | Tuberculosis of other male genital organs | Can lead a claim | K | None |
| A18.16 | Tuberculosis of cervix | Can lead a claim | K | None |
| A18.17 | Tuberculous female pelvic inflammatory disease | Can lead a claim | K | None |
| A18.18 | Tuberculosis of other female genital organs | Can lead a claim | K | None |
| A18.2 | Tuberculous peripheral lymphadenopathy | Can lead a claim | K | None |
| A18.3 Tuberculosis of intestines, peritoneum and mesenteric glands | ||||
| A18.31 | Tuberculous peritonitis | Can lead a claim | K | None |
| A18.32 | Tuberculous enteritis | Can lead a claim | K | None |
| A18.39 | Retroperitoneal tuberculosis | Can lead a claim | K | None |
| A18.4 | Tuberculosis of skin and subcutaneous tissue | Can lead a claim | K | None |
| A18.5 Tuberculosis of eye | ||||
| A18.50 | Tuberculosis of eye, unspecified | Can lead a claim | K | None |
| A18.51 | Tuberculous episcleritis | Can lead a claim | K | None |
| A18.52 | Tuberculous keratitis | Can lead a claim | K | None |
| A18.53 | Tuberculous chorioretinitis | Can lead a claim | K | None |
| A18.54 | Tuberculous iridocyclitis | Can lead a claim | K | None |
| A18.59 | Other tuberculosis of eye | Can lead a claim | K | None |
| A18.6 | Tuberculosis of (inner) (middle) ear | Can lead a claim | K | None |
| A18.7 | Tuberculosis of adrenal glands | Can lead a claim | K | None |
| A18.8 Tuberculosis of other specified organs | ||||
| A18.81 | Tuberculosis of thyroid gland | Can lead a claim | K | None |
| A18.82 | Tuberculosis of other endocrine glands | Can lead a claim | K | None |
| A18.83 | Tuberculosis of digestive tract organs, not elsewhere classifiedCMS: Tuberculosis of digestive tract organs, NEC | Can lead a claim | K | None |
| A18.84 | Tuberculosis of heart | Can lead a claim | K | None |
| A18.85 | Tuberculosis of spleen | Can lead a claim | K | None |
| A18.89 | Tuberculosis of other sites | Can lead a claim | K | 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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