O30.93 Multiple gestation, unspecified, third trimester

Billable ICD-10-CM code, FY2026.

Applies from O30 Multiple gestation

Code also

• any complications specific to multiple gestation

Applies from O30.9 Multiple gestation, unspecified

Applicable to

• Multiple pregnancy NOS

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 651.91 Unspecified multiple gestation, delivered, with or without mention of antepartum condition (approximate)
• 651.93 Unspecified multiple gestation, antepartum condition or complication (approximate)

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

• O30.899 Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs, unspecified trimester
• O30.9 Multiple gestation, unspecified
• O30.90 Multiple gestation, unspecified, unspecified trimester
• O30.91 Multiple gestation, unspecified, first trimester
• O30.92 Multiple gestation, unspecified, second trimester
• O30.93 Multiple gestation, unspecified, third trimester (this code)