ICD-10 Code for Anoxia
Also indexed as (pathological)
The ICD-10-CM code for anoxia is R09.02 — Hypoxemia. This is the code the Alphabetic Index gives for anoxia with no further qualifier, valid for FY2027 (October 1, 2026 – September 30, 2027).
Billable
Which anoxia code should you use?
The Alphabetic Index lists 13 codes under Anoxia. Which one applies depends on the qualifier documented in the record — the type, site, cause, or associated condition. Find the qualifier below, then verify the code in the Tabular List before using it.
By type
Anoxia cerebral
| during a procedure | G97.81 | Other intraoperative complications of nervous system |
| newborn | P84 | Other problems with newborn |
| resulting from a procedure | G97.82 | Other postprocedural complications and disorders of nervous system |
| complicating › anesthesia or other sedation | T88.59Not billable | Other complications of anesthesia |
| complicating › delivery | O75.4 | Other complications of obstetric surgery and procedures |
| complicating › anesthesia or other sedation › in labor and delivery | O74.3 | Central nervous system complications of anesthesia during labor and delivery |
| complicating › anesthesia or other sedation › in pregnancy | O29.21Not billable | Cerebral anoxia due to anesthesia during pregnancy |
| complicating › anesthesia or other sedation › postpartum, puerperal | O89.2 | Central nervous system complications of anesthesia during the puerperium |
Index terms and codes are reproduced from the official ICD-10-CM FY2027 release. The Alphabetic Index is a finding aid — a code must always be verified in the Tabular List before it is reported. Data sources