ICD-10 · PDGM grouping
A70-A74 — Other diseases caused by chlamydiae
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
8
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
8 of the 8 codes in A70-A74 group to MMTA - Infectious Disease, Neoplasms, and Blood-Forming Diseases. Every code here is assigned a group.
Code families in A70-A74
One page per three-character family: every code in it, whether it can lead a claim, its clinical group and comorbidity subgroup.
Every code in A70-A74
Descriptions are CMS’s own, abbreviated as CMS abbreviates them.
| Code | Description | Clinical group | Primary position |
|---|---|---|---|
| A70 | Chlamydia psittaci infections | K | Can lead a claim |
| A710 | Initial stage of trachoma | K | Can lead a claim |
| A711 | Active stage of trachoma | K | Can lead a claim |
| A719 | Trachoma, unspecified | K | Can lead a claim |
| A740 | Chlamydial conjunctivitis | K | Can lead a claim |
| A7481 | Chlamydial peritonitis | K | Can lead a claim |
| A7489 | Other chlamydial diseases | K | Can lead a claim |
| A749 | Chlamydial infection, unspecified | K | Can lead a claim |
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.
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