Current
O99 — Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium
Part of Chapter 15: Pregnancy, childbirth and the puerperium , block Other obstetric conditions, not elsewhere classified (O94-O9A) .
Official Notes
Includes
conditions which complicate the pregnant state, are aggravated by the pregnancy or are a main reason for obstetric care
Use Additional Code
code to identify specific condition
Excludes2
when the reason for maternal care is that the condition is known or suspected to have affected the fetus (O35-O36)
Child Codes
- O99.0 Anemia complicating pregnancy, childbirth and the puerperium Has subcodes
- O99.1 Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, childbirth and the puerperium Has subcodes
- O99.2 Endocrine, nutritional and metabolic diseases complicating pregnancy, childbirth and the puerperium Has subcodes
- O99.3 Mental disorders and diseases of the nervous system complicating pregnancy, childbirth and the puerperium Has subcodes
- O99.4 Diseases of the circulatory system complicating pregnancy, childbirth and the puerperium Has subcodes
- O99.5 Diseases of the respiratory system complicating pregnancy, childbirth and the puerperium Has subcodes
- O99.6 Diseases of the digestive system complicating pregnancy, childbirth and the puerperium Has subcodes
- O99.7 Diseases of the skin and subcutaneous tissue complicating pregnancy, childbirth and the puerperium Has subcodes
- O99.8 Other specified diseases and conditions complicating pregnancy, childbirth and the puerperium Has subcodes
FY 2027 effective October 1, 2026 · CDC NCHS and CMS