ICD-10 · PDGM grouping
D47 Other neoplasms of uncertain behavior of lymphoid, hematopoietic and related tissue
All 11 codes in the D47 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
11
Can lead a claim
10
Cannot lead a claim
1
What CMS assigns to D47
10 of the 11 codes group to MMTA - Infectious Disease, Neoplasms, and Blood-Forming Diseases; 1 is assigned no clinical group. None of the 11 is assigned a comorbidity subgroup. 10 of the 11 can lead a claim. CMS attaches a code-first note to 1 of the 11.
Code first
CMS grouper convention 6, on D47.Z1. Code first:
- complication of transplanted organ (T86.-)
Every code in D47
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 |
|---|---|---|---|---|
| D47.0 Mast cell neoplasms of uncertain behavior | ||||
| D47.01 | Cutaneous mastocytosis | Can lead a claim | K | None |
| D47.02 | Systemic mastocytosis | Can lead a claim | K | None |
| D47.09 | Other mast cell neoplasms of uncertain behavior | Can lead a claim | K | None |
| D47.1 | Chronic myeloproliferative disease | Can lead a claim | K | None |
| D47.2 | Monoclonal gammopathy | Can lead a claim | K | None |
| D47.3 | Essential (hemorrhagic) thrombocythemia | Can lead a claim | K | None |
| D47.4 | Osteomyelofibrosis | Can lead a claim | K | None |
| D47.Z Other specified neoplasms of uncertain behavior of lymphoid, hematopoietic and related tissue | ||||
| D47.Z1 | Post-transplant lymphoproliferative disorder (PTLD) | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| D47.Z2 | Castleman disease | Can lead a claim | K | None |
| D47.Z9 | Other specified neoplasms of uncertain behavior of lymphoid, hematopoietic and related tissueCMS: Oth neoplm of uncrt behav of lymphoid, hematpoetc & rel tiss | Can lead a claim | K | None |
| D47.9 | Neoplasm of uncertain behavior of lymphoid, hematopoietic and related tissue, unspecifiedCMS: Neoplm of uncrt behav of lymphoid,hematpoetc & rel tiss,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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