ICD-10 · PDGM grouping
D31 Benign neoplasm of eye and adnexa
All 24 codes in the D31 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
24
Can lead a claim
16
Cannot lead a claim
8
What CMS assigns to D31
16 of the 24 codes group to MMTA - Infectious Disease, Neoplasms, and Blood-Forming Diseases; 8 are assigned no clinical group. None of the 24 is assigned a comorbidity subgroup. 16 of the 24 can lead a claim.
Every code in D31
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 |
|---|---|---|---|---|
| D31.0 Benign neoplasm of conjunctiva | ||||
| D31.00 | Benign neoplasm of unspecified conjunctiva | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| D31.01 | Benign neoplasm of right conjunctiva | Can lead a claim | K | None |
| D31.02 | Benign neoplasm of left conjunctiva | Can lead a claim | K | None |
| D31.1 Benign neoplasm of cornea | ||||
| D31.10 | Benign neoplasm of unspecified cornea | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| D31.11 | Benign neoplasm of right cornea | Can lead a claim | K | None |
| D31.12 | Benign neoplasm of left cornea | Can lead a claim | K | None |
| D31.2 Benign neoplasm of retina | ||||
| D31.20 | Benign neoplasm of unspecified retina | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| D31.21 | Benign neoplasm of right retina | Can lead a claim | K | None |
| D31.22 | Benign neoplasm of left retina | Can lead a claim | K | None |
| D31.3 Benign neoplasm of choroid | ||||
| D31.30 | Benign neoplasm of unspecified choroid | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| D31.31 | Benign neoplasm of right choroid | Can lead a claim | K | None |
| D31.32 | Benign neoplasm of left choroid | Can lead a claim | K | None |
| D31.4 Benign neoplasm of ciliary body | ||||
| D31.40 | Benign neoplasm of unspecified ciliary body | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| D31.41 | Benign neoplasm of right ciliary body | Can lead a claim | K | None |
| D31.42 | Benign neoplasm of left ciliary body | Can lead a claim | K | None |
| D31.5 Benign neoplasm of lacrimal gland and duct | ||||
| D31.50 | Benign neoplasm of unspecified lacrimal gland and duct | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| D31.51 | Benign neoplasm of right lacrimal gland and duct | Can lead a claim | K | None |
| D31.52 | Benign neoplasm of left lacrimal gland and duct | Can lead a claim | K | None |
| D31.6 Benign neoplasm of unspecified site of orbit | ||||
| D31.60 | Benign neoplasm of unspecified site of unspecified orbit | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| D31.61 | Benign neoplasm of unspecified site of right orbit | Can lead a claim | K | None |
| D31.62 | Benign neoplasm of unspecified site of left orbit | Can lead a claim | K | None |
| D31.9 Benign neoplasm of unspecified part of eye | ||||
| D31.90 | Benign neoplasm of unspecified part of unspecified eye | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| D31.91 | Benign neoplasm of unspecified part of right eye | Can lead a claim | K | None |
| D31.92 | Benign neoplasm of unspecified part of left eye | 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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