ICD-10 · PDGM grouping
G96 Other disorders of central nervous system
All 14 codes in the G96 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
14
Can lead a claim
13
Cannot lead a claim
1
What CMS assigns to G96
13 of the 14 codes group to Neuro Rehabilitation (7) and MMTA - Other (6); 1 is assigned no clinical group. None of the 14 is assigned a comorbidity subgroup. 13 of the 14 can lead a claim.
Every code in G96
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 |
|---|---|---|---|---|
| G96.0 Cerebrospinal fluid leak | ||||
| G96.00 | Cerebrospinal fluid leak, unspecified | Can lead a claim | A | None |
| G96.01 | Cranial cerebrospinal fluid leak, spontaneous | Can lead a claim | A | None |
| G96.02 | Spinal cerebrospinal fluid leak, spontaneous | Can lead a claim | A | None |
| G96.08 | Other cranial cerebrospinal fluid leak | Can lead a claim | A | None |
| G96.09 | Other spinal cerebrospinal fluid leak | Can lead a claim | A | None |
| G96.1 Disorders of meninges, not elsewhere classified | ||||
| G96.11 | Dural tear | Can lead a claim | B | None |
| G96.12 | Meningeal adhesions (cerebral) (spinal) | Can lead a claim | B | None |
| G96.19 Other disorders of meninges, not elsewhere classified | ||||
| G96.191 | Perineural cyst | Can lead a claim | A | None |
| G96.198 | Other disorders of meninges, not elsewhere classified | Can lead a claim | B | None |
| G96.8 Other specified disorders of central nervous system | ||||
| G96.81 Intracranial hypotension | ||||
| G96.810 | Intracranial hypotension, unspecified | Can lead a claim | B | None |
| G96.811 | Intracranial hypotension, spontaneous | Can lead a claim | B | None |
| G96.819 | Other intracranial hypotension | Can lead a claim | B | None |
| G96.89 | Other specified disorders of central nervous system | Can lead a claim | B | None |
| G96.9 | Disorder of central nervous system, unspecified | 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.
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