QA0-QA1 — Genetic disorders, not elsewhere classified
Every ICD-10-CM code in this range and the PDGM clinical group CMS assigns to it, read from the CMS grouper crosswalk v07.2.26.
Codes in range
18
No clinical group
5
A period cannot be grouped from these.
Barred as primary
0
CMS rejects these in the primary position.
Where these codes group
13 of the 18 codes in QA0-QA1 group to Neuro Rehabilitation. A further 5 are assigned no clinical group at all, which means a 30-day period cannot be grouped from them.
Every code in QA0-QA1
Descriptions are CMS’s own, abbreviated as CMS abbreviates them.
| Code | Description | Clinical group | Primary position |
|---|---|---|---|
| QA00101 | SCN2A-related neurodevelopmental disorder | B | Accepted |
| QA00102 | CACNA1A-related neurodevelopmental disorder | B | Accepted |
| QA00109 | Neurodev disord rel to patho var in other ion channel gene | B | Accepted |
| QA0011 | Neurodev disord, rel to patho var in glutamate recept genes | B | Accepted |
| QA0012 | Neurodev disord, related to patho var in other recept genes | B | Accepted |
| QA00131 | SLC6A1-related disorder | B | Accepted |
| QA00139 | Neurodev dis,rel to patho var in oth trnsper or sol car gene | B | Accepted |
| QA00141 | Syntaxin-binding protein 1-related disorder | B | Accepted |
| QA00142 | DLG4-related synaptopathy | B | Accepted |
| QA00149 | Neurodev disord, rel to patho var in other synapse rel gene | B | Accepted |
| QA00151 | FOXG1 syndrome | B | Accepted |
| QA00159 | Neurodev dis, rel to oth genes assoc w txn & gene expression | B | Accepted |
| QA08 | Other neurodev dis rel to patho var in other specific genes | B | Accepted |
| QA171 | Lynch syndrome | None | Cannot group |
| QA1790 | Familial cancer syndrome with pathogenic BRCA1 mutation | None | Cannot group |
| QA1791 | Familial cancer syndrome with pathogenic BRCA2 mutation | None | Cannot group |
| QA1792 | Li Fraumeni syndrome | None | Cannot group |
| QA1798 | Other inherited neoplm predisposition synd of mult systems | None | Cannot group |
Source: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01. 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.
The monthly home health regs digest
What CMS changed, what's due next, and what to do about it — one email a month, no fluff.