ICD-10 · PDGM grouping
O74 Complications of anesthesia during labor and delivery
All 10 codes in the O74 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
10
Can lead a claim
9
Cannot lead a claim
1
What CMS assigns to O74
9 of the 10 codes group to MMTA - Other; 1 is assigned no clinical group. None of the 10 is assigned a comorbidity subgroup. 9 of the 10 can lead a claim.
Every code in O74
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 |
|---|---|---|---|---|
| O74.0 | Aspiration pneumonitis due to anesthesia during labor and deliveryCMS: Aspirat pneumonitis due to anesth during labor and delivery | Can lead a claim | A | None |
| O74.1 | Other pulmonary complications of anesthesia during labor and deliveryCMS: Oth pulmonary comp of anesthesia during labor and delivery | Can lead a claim | A | None |
| O74.2 | Cardiac complications of anesthesia during labor and deliveryCMS: Cardiac comp of anesthesia during labor and delivery | Can lead a claim | A | None |
| O74.3 | Central nervous system complications of anesthesia during labor and deliveryCMS: Cnsl complications of anesthesia during labor and delivery | Can lead a claim | A | None |
| O74.4 | Toxic reaction to local anesthesia during labor and delivery | Can lead a claim | A | None |
| O74.5 | Spinal and epidural anesthesia-induced headache during labor and deliveryCMS: Spinal and epidur anesthesia-induced hdache dur labr and del | Can lead a claim | A | None |
| O74.6 | Other complications of spinal and epidural anesthesia during labor and deliveryCMS: Oth comp of spinal and epidural anesth during labor and del | Can lead a claim | A | None |
| O74.7 | Failed or difficult intubation for anesthesia during labor and deliveryCMS: Failed or difficult intubation for anesth dur labor and del | Can lead a claim | A | None |
| O74.8 | Other complications of anesthesia during labor and delivery | Can lead a claim | A | None |
| O74.9 | Complication of anesthesia during labor and delivery, unspecifiedCMS: Complication of anesthesia during labor and delivery, unsp | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | 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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