O9A.21

Non-Billable

ChapterO00–O9A

Ranksubcategory

Official Description

Injury, poisoning and certain other consequences of external causes complicating pregnancy

Metadata & Insights

•2026 ICD-10-CM Edition - Effective October 1, 2025.
•Non-billable category (requires more specific sub-code).
•Chapter 15: Pregnancy, Childbirth and the Puerperium (O00-O9A).

General instructions are available for the parent sections:

View CH15 Notes View O9A.2 Notes

Clinical Hierarchy

CH15Pregnancy, childbirth and the puerperium (O00-O9A)

O94-O9AOther obstetric conditions, not elsewhere classified (O94-O9A)

O9AMaternal malignant neoplasms, traumatic injuries and abuse classifiable elsewhere but complicating pregnancy, childbirth and the puerperium

O9A.2Injury, poisoning and certain other consequences of external causes complicating pregnancy, childbirth and the puerperium

O9A.21Injury, poisoning and certain other consequences of external causes complicating pregnancy

O9A.211Injury, poisoning and certain other consequences of external causes complicating pregnancy, first trimester

O9A.212Injury, poisoning and certain other consequences of external causes complicating pregnancy, second trimester

O9A.213Injury, poisoning and certain other consequences of external causes complicating pregnancy, third trimester

O9A.219Injury, poisoning and certain other consequences of external causes complicating pregnancy, unspecified trimester

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to O9A.21:

subcategoryO9A.2

Injury, poisoning and certain other consequences of external causes complicating pregnancy, childbirth and the puerperium

View context instructions

chapterCH15

Pregnancy, childbirth and the puerperium (O00-O9A)

View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to O9A.21. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

3 raw paths

Pregnancy (single) (uterine)3 unique routes

complicated by (care of) (management affected by)(3 variants)

injury or poisoning (conditions in S00-T88)→O9A.21

overdose, drug→O9A.21

poisoning→O9A.21

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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