ICD-9-CM diagnosis code (retired)
647.81 — Other specified infectious and parasitic diseases of mother, delivered, with or without mention of antepartum condition
About ICD-9-CM 647.81
647.81 is an ICD-9-CM diagnosis code for other specified infectious and parasitic diseases of mother, delivered, with or without mention of antepartum condition. ICD-9-CM was retired for U.S. claims on October 1, 2015, when ICD-10-CM took over.
The CMS General Equivalence Mappings translate it to 8 ICD-10-CM codes, such as O98.611 (Protozoal diseases complicating pregnancy, first trimester), O98.612 (Protozoal diseases complicating pregnancy, second trimester) and O98.613 (Protozoal diseases complicating pregnancy, third trimester). All of these are approximate matches, so review the record to pick the right one.
ICD-10-CM equivalents
- O98.611Protozoal diseases complicating pregnancy, first trimesterapproximate
- O98.612Protozoal diseases complicating pregnancy, second trimesterapproximate
- O98.613Protozoal diseases complicating pregnancy, third trimesterapproximate
- O98.811Other maternal infectious and parasitic diseases complicating pregnancy, first trimesterapproximate
- O98.812Other maternal infectious and parasitic diseases complicating pregnancy, second trimesterapproximate
- O98.813Other maternal infectious and parasitic diseases complicating pregnancy, third trimesterapproximate
- O98.82Other maternal infectious and parasitic diseases complicating childbirthapproximate
- O99.834Other infection carrier state complicating childbirthapproximate
Common questions about 647.81
GEMs are a translation aid, not a substitute for coding from the record. The 2027 ICD-10 code set has changed since the last GEMs release in 2018. Page updated September 29, 2026.