O90Header code — not billable
Complications of the puerperium, not elsewhere classified
- Chapter
- 15. Pregnancy, childbirth and the puerperium
- Category
- O90
- Effective date
- October 1, 2026
Related codes in category O90
O90.0Disruption of cesarean delivery woundYesO90.1Disruption of perineal obstetric woundYesO90.2Hematoma of obstetric woundYesO90.3Peripartum cardiomyopathyYesO90.4Postpartum acute kidney failureO90.41Hepatorenal syndrome following labor and deliveryYesO90.49Other postpartum acute kidney failureYesO90.5Postpartum thyroiditisYesO90.6Postpartum mood disturbanceYesO90.8Oth complications of the puerperium, NECO90.81Anemia of the puerperiumYesO90.89Oth complications of the puerperium, NECYes
Frequently asked questions
What is ICD-10 code O90?
O90 is an ICD-10-CM diagnosis code for Complications of the puerperium, not elsewhere classified.
Is O90 a billable code?
No. O90 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is O90 in?
O90 falls under Chapter 15: Pregnancy, childbirth and the puerperium.
When did O90 become effective?
O90 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to O90?
O90 belongs to category O90, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.