ICD-10 · PDGM grouping
E53 Deficiency of other B group vitamins
All 4 codes in the E53 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
4
Can lead a claim
4
Cannot lead a claim
0
What CMS assigns to E53
All 4 codes group to MMTA - Other. 1 of the 4 counts toward the Other Combined Immunodeficiencies and Malnutrition, includes graft-versus-host-disease comorbidity subgroup; 3 are assigned none. Every code can lead a claim.
- Other Combined Immunodeficiencies and Malnutrition, includes graft-versus-host-disease: can award the low comorbidity tier as a secondary diagnosis.
Every code in E53
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 |
|---|---|---|---|---|
| E53.0 | Riboflavin deficiency | Can lead a claim | A | None |
| E53.1 | Pyridoxine deficiency | Can lead a claim | A | None |
| E53.8 | Deficiency of other specified B group vitamins | Can lead a claim | A | Other Combined Immunodeficiencies and Malnutrition, includes graft-versus-host-disease |
| E53.9 | Vitamin B deficiency, unspecified | Can lead a claim | A | 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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