ICD-9-CM Codes ICD-9-PCS Codes

678.11 - Fetal conjoined twins, delivered, with or without mention of antepartum condition

GEM Conversion to ICD-10 CM

O30.021

Fs: 10000 – Conjoined twin pregnancy, first trimester

O30.022

Fs: 10000 – Conjoined twin pregnancy, second trimester

O30.023

Fs: 10000 – Conjoined twin pregnancy, third trimester

Sibling Codes

678.10

Fetal conjoined twins, unspecified as to episode of care or not applicable

678.11

Fetal conjoined twins, delivered, with or without mention of antepartum condition

678.13

Fetal conjoined twins, antepartum condition or complication