O30.831 Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, 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

Applies from O30.8 Other specified multiple gestation

Applicable to

• Multiple gestation pregnancy greater then quadruplets

Applies from O30.83 Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses

Applicable to

• Pentachorionic, penta-amniotic pregnancy (quintuplets)
• Hexachorionic, hexa-amniotic pregnancy (sextuplets)
• Heptachorionic, hepta-amniotic pregnancy (septuplets)

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

• O30.821 Other specified multiple gestation with two or more monoamniotic fetuses, first trimester
• O30.822 Other specified multiple gestation with two or more monoamniotic fetuses, second trimester
• O30.823 Other specified multiple gestation with two or more monoamniotic fetuses, third trimester
• O30.829 Other specified multiple gestation with two or more monoamniotic fetuses, unspecified trimester
• O30.83 Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses
• O30.831 Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, first trimester (this code)
• O30.832 Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, second trimester
• O30.833 Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, third trimester
• O30.839 Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, unspecified trimester
• O30.89 Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs
• O30.891 Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs, first trimester