O30.231 Quadruplet pregnancy, quadrachorionic/quadra-amniotic, first trimester

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applies from O30 Multiple gestation

Code also

• any complications specific to multiple gestation

MS-DRG index

Defines the logic of DRG(s) 817-819 in MDC 14.

Medicare Code Edits (MCE v43.1 (April 2026))

• Maternity diagnoses (age 9 through 64): Age conflict edit. These diagnoses are clinically expected only in patients age 9 through 64.

Nearby codes

• O30.221 Quadruplet pregnancy with two or more monoamniotic fetuses, first trimester
• O30.222 Quadruplet pregnancy with two or more monoamniotic fetuses, second trimester
• O30.223 Quadruplet pregnancy with two or more monoamniotic fetuses, third trimester
• O30.229 Quadruplet pregnancy with two or more monoamniotic fetuses, unspecified trimester
• O30.23 Quadruplet pregnancy, quadrachorionic/quadra-amniotic
• O30.231 Quadruplet pregnancy, quadrachorionic/quadra-amniotic, first trimester (this code)
• O30.232 Quadruplet pregnancy, quadrachorionic/quadra-amniotic, second trimester
• O30.233 Quadruplet pregnancy, quadrachorionic/quadra-amniotic, third trimester
• O30.239 Quadruplet pregnancy, quadrachorionic/quadra-amniotic, unspecified trimester
• O30.29 Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs
• O30.291 Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs, first trimester