ICD-10 O29
Non-Billable HeaderComplications of anesthesia during pregnancy
About ICD-10-CM O29
ICD-10-CM code O29 represents Complications of anesthesia during pregnancy. This is a non-billable header code in the Pregnancy, Childbirth, and Puerperium chapter (block O29). The 2026 edition of ICD-10-CM O29 became effective on October 1, 2025. Non-billable codes cannot be used as a primary or secondary diagnosis on a claim, use a more specific child code instead.
Coding Tips for O29
Specialist guidance from the PayerReady Medical Coding Team. Specificity warnings, HCC capture rules, sequencing notes.
Most O codes require a 7th character indicating trimester (1 = first, 2 = second, 3 = third). Some require fetus identification character. Code O09 (supervision of high-risk pregnancy) is required as a secondary code when applicable.
Type 2 Excludes
Not included here, the excluded code is not part of O29, but a patient may have both conditions at the same time. Both codes may be coded together when applicable.
- complications of anesthesia during labor and delivery (O74.-)
- complications of anesthesia during the puerperium (O89.-)
Includes
- maternal complications arising from the administration of a general, regional or local anesthetic, analgesic or other sedation during pregnancy
Use Additional Code
When coding O29, also report these additional codes when applicable.
- code, if necessary, to identify the complication
Medicare LCD Coverage for O29
Local Coverage Determinations (LCDs) from CMS MACs that list O29 as a covered diagnosis.
This doesn't mean the code isn't covered, it means no MAC has issued a Local Coverage Determination naming this specific code. Coverage may still apply under National Coverage Determinations or general medical-necessity rules.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing O29.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but O29 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with O29
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
We don't have CPT pairings indexed for this specific code yet. Use the CPT search above to find common procedures, or check your payer's published medical policy for code-specific guidance.
Codes Adjacent To O29
Other codes in section O20-O29 (Other maternal disorders predominantly related to pregnancy).
ICD-10 O29, Billing FAQ
Is ICD-10 code O29 billable? +
No, O29 is a non-billable header code. Use a more specific child code from block O29 when submitting claims.
What codes are Type 2 Excludes for O29? +
Type 2 Excludes (may be coded together when both conditions exist): complications of anesthesia during labor and delivery (O74.-); complications of anesthesia during the puerperium (O89.-)
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on June 1, 2026.
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