A65-A69 — Other spirochetal diseases
Every ICD-10-CM code in this range and the PDGM clinical group CMS assigns to it, read from the CMS grouper crosswalk v07.1.26.
Codes in range
28
No clinical group
0
A period cannot be grouped from these.
Barred as primary
0
CMS rejects these in the primary position.
Where these codes group
27 of the 28 codes in A65-A69 group to MMTA - Infectious Disease, Neoplasms, and Blood-Forming Diseases, but the range is not uniform — it spreads across 2 clinical groups. Every code here is assigned a group.
Every code in A65-A69
Descriptions are CMS’s own, abbreviated as CMS abbreviates them.
| Code | Description | Clinical group | Primary position |
|---|---|---|---|
| A65 | Nonvenereal syphilis | K | Accepted |
| A660 | Initial lesions of yaws | K | Accepted |
| A661 | Multiple papillomata and wet crab yaws | K | Accepted |
| A662 | Other early skin lesions of yaws | K | Accepted |
| A663 | Hyperkeratosis of yaws | K | Accepted |
| A664 | Gummata and ulcers of yaws | K | Accepted |
| A665 | Gangosa | K | Accepted |
| A666 | Bone and joint lesions of yaws | K | Accepted |
| A667 | Other manifestations of yaws | K | Accepted |
| A668 | Latent yaws | K | Accepted |
| A669 | Yaws, unspecified | K | Accepted |
| A670 | Primary lesions of pinta | K | Accepted |
| A671 | Intermediate lesions of pinta | K | Accepted |
| A672 | Late lesions of pinta | K | Accepted |
| A673 | Mixed lesions of pinta | K | Accepted |
| A679 | Pinta, unspecified | K | Accepted |
| A680 | Louse-borne relapsing fever | K | Accepted |
| A681 | Tick-borne relapsing fever | K | Accepted |
| A689 | Relapsing fever, unspecified | K | Accepted |
| A690 | Necrotizing ulcerative stomatitis | K | Accepted |
| A691 | Other Vincent's infections | K | Accepted |
| A6920 | Lyme disease, unspecified | K | Accepted |
| A6921 | Meningitis due to Lyme disease | B | Accepted |
| A6922 | Other neurologic disorders in Lyme disease | K | Accepted |
| A6923 | Arthritis due to Lyme disease | K | Accepted |
| A6929 | Other conditions associated with Lyme disease | K | Accepted |
| A698 | Other specified spirochetal infections | K | Accepted |
| A699 | Spirochetal infection, unspecified | K | Accepted |
Source: CMS HH PPS Grouper Software v07.1.26, effective 2026-04-01. 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.
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