ICD-10 · PDGM grouping
C70 Malignant neoplasm of meninges
All 3 codes in the C70 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
3
Can lead a claim
3
Cannot lead a claim
0
What CMS assigns to C70
All 3 codes group to Neuro Rehabilitation (2) and MMTA - Infectious Disease, Neoplasms, and Blood-Forming Diseases (1). 2 of the 3 count toward the Malignant Neoplasm of Spinal Cord, Cranial Nerves and Other Parts of Central Nervous system comorbidity subgroup; 1 is assigned none. Every code can lead a claim.
- Malignant Neoplasm of Spinal Cord, Cranial Nerves and Other Parts of Central Nervous system
Every code in C70
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 |
|---|---|---|---|---|
| C70.0 | Malignant neoplasm of cerebral meninges | Can lead a claim | B | Malignant Neoplasm of Spinal Cord, Cranial Nerves and Other Parts of Central Nervous system |
| C70.1 | Malignant neoplasm of spinal meninges | Can lead a claim | K | Malignant Neoplasm of Spinal Cord, Cranial Nerves and Other Parts of Central Nervous system |
| C70.9 | Malignant neoplasm of meninges, unspecified | Can lead a claim | B | 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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