ICD-10 · PDGM grouping
C47 Malignant neoplasm of peripheral nerves and autonomic nervous system
All 13 codes in the C47 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
11
Cannot lead a claim
2
What CMS assigns to C47
11 of the 13 codes group to MMTA - Infectious Disease, Neoplasms, and Blood-Forming Diseases; 2 are assigned no clinical group. 10 of the 13 count toward the Malignant Neoplasm of Peripheral Nerves, Autonomic Nervous System, and other connective tissue comorbidity subgroup; 3 are assigned none. 11 of the 13 can lead a claim.
- Malignant Neoplasm of Peripheral Nerves, Autonomic Nervous System, and other connective tissue
Every code in C47
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 |
|---|---|---|---|---|
| C47.0 | Malignant neoplasm of peripheral nerves of head, face and neckCMS: Malignant neoplasm of prph nerves of head, face and neck | Can lead a claim | K | Malignant Neoplasm of Peripheral Nerves, Autonomic Nervous System, and other connective tissue |
| C47.1 Malignant neoplasm of peripheral nerves of upper limb, including shoulder | ||||
| C47.10 | Malignant neoplasm of peripheral nerves of unspecified upper limb, including shoulderCMS: Malig neoplm of prph nerves of unsp upper limb, inc shoulder | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| C47.11 | Malignant neoplasm of peripheral nerves of right upper limb, including shoulderCMS: Malig neoplm of prph nerves of right upper limb, inc shldr | Can lead a claim | K | Malignant Neoplasm of Peripheral Nerves, Autonomic Nervous System, and other connective tissue |
| C47.12 | Malignant neoplasm of peripheral nerves of left upper limb, including shoulderCMS: Malig neoplm of prph nerves of left upper limb, inc shoulder | Can lead a claim | K | Malignant Neoplasm of Peripheral Nerves, Autonomic Nervous System, and other connective tissue |
| C47.2 Malignant neoplasm of peripheral nerves of lower limb, including hip | ||||
| C47.20 | Malignant neoplasm of peripheral nerves of unspecified lower limb, including hipCMS: Malig neoplasm of prph nerves of unsp lower limb, inc hip | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| C47.21 | Malignant neoplasm of peripheral nerves of right lower limb, including hipCMS: Malig neoplasm of prph nerves of right lower limb, inc hip | Can lead a claim | K | Malignant Neoplasm of Peripheral Nerves, Autonomic Nervous System, and other connective tissue |
| C47.22 | Malignant neoplasm of peripheral nerves of left lower limb, including hipCMS: Malig neoplasm of prph nerves of left lower limb, inc hip | Can lead a claim | K | Malignant Neoplasm of Peripheral Nerves, Autonomic Nervous System, and other connective tissue |
| C47.3 | Malignant neoplasm of peripheral nerves of thorax | Can lead a claim | K | Malignant Neoplasm of Peripheral Nerves, Autonomic Nervous System, and other connective tissue |
| C47.4 | Malignant neoplasm of peripheral nerves of abdomen | Can lead a claim | K | Malignant Neoplasm of Peripheral Nerves, Autonomic Nervous System, and other connective tissue |
| C47.5 | Malignant neoplasm of peripheral nerves of pelvis | Can lead a claim | K | Malignant Neoplasm of Peripheral Nerves, Autonomic Nervous System, and other connective tissue |
| C47.6 | Malignant neoplasm of peripheral nerves of trunk, unspecifiedCMS: Malignant neoplasm of peripheral nerves of trunk, unsp | Can lead a claim | K | Malignant Neoplasm of Peripheral Nerves, Autonomic Nervous System, and other connective tissue |
| C47.8 | Malignant neoplasm of overlapping sites of peripheral nerves and autonomic nervous systemCMS: Malig neoplm of ovrlp sites of prph nrv and autonm nrv sys | Can lead a claim | K | Malignant Neoplasm of Peripheral Nerves, Autonomic Nervous System, and other connective tissue |
| C47.9 | Malignant neoplasm of peripheral nerves and autonomic nervous system, unspecifiedCMS: Malig neoplasm of prph nerves and autonm nervous sys, unsp | 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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