O63.2 Delayed delivery of second twin, triplet, etc.

Billable ICD-10-CM code, FY2026.

MS-DRG index

Defines the logic of DRG(s) 998 in MDC 14.

Approximate ICD-9-CM (GEMs)

• 662.31 Delayed delivery of second twin, triplet, etc., delivered, with or without mention of antepartum condition (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.

Code annotations containing back-references to O63.2

Back-references to O63.2

• Type 2 Excludes: O31 Complications specific to multiple gestation ("delayed delivery of second twin, triplet, etc. (O63.2)")

Diagnosis Index entries for O63.2

• Delay, delayed › delivery, second twin, triplet, etc
• Delivery (childbirth) (labor) › delayed NOS › second twin, triplet, etc.

Nearby codes

• O63 Long labor
• O63.0 Prolonged first stage (of labor)
• O63.1 Prolonged second stage (of labor)
• O63.2 Delayed delivery of second twin, triplet, etc. (this code)
• O63.9 Long labor, unspecified