ICD-10 O9A.2
Non-Billable HeaderInjury, poisoning and certain other consequences of external causes complicating pregnancy, childbirth and the puerperium
About ICD-10-CM O9A.2
ICD-10-CM code O9A.2 represents Injury, poisoning and certain other consequences of external causes complicating pregnancy, childbirth and the puerperium. This is a non-billable header code in the Pregnancy, Childbirth, and Puerperium chapter (block O9A). The 2026 edition of ICD-10-CM O9A.2 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 O9A.2
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.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under O9A.2. Per CMS ICD-10-CM Tabular 2026.
- Conditions in S00-T88, except T74 and T76
Type 2 Excludes
Not included here, the excluded code is not part of O9A.2, but a patient may have both conditions at the same time. Both codes may be coded together when applicable.
- physical, sexual and psychological abuse complicating pregnancy, childbirth and the puerperium (O9A.3-, O9A.4-, O9A.5-)
Use Additional Code
When coding O9A.2, also report these additional codes when applicable.
- code(s) to identify the injury or poisoning
Medicare LCD Coverage for O9A.2
Local Coverage Determinations (LCDs) from CMS MACs that list O9A.2 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 O9A.2.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but O9A.2 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with O9A.2
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 O9A.2
Other codes in section O94-O9A (Other obstetric conditions, not elsewhere classified).
ICD-10 O9A.2, Billing FAQ
Is ICD-10 code O9A.2 billable? +
No, O9A.2 is a non-billable header code. Use a more specific child code from block O9A when submitting claims.
What other names or terms map to O9A.2? +
ICD-10 O9A.2 includes: Conditions in S00-T88, except T74 and T76.
What codes are Type 2 Excludes for O9A.2? +
Type 2 Excludes (may be coded together when both conditions exist): physical, sexual and psychological abuse complicating pregnancy, childbirth and the puerperium (O9A.3-, O9A.4-, O9A.5-)
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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