Z37.4 Twins, both stillborn

Billable ICD-10-CM code, FY2026. Exempt from present-on-admission (POA) reporting.

Applies from Z37 Outcome of delivery

Applicable to

• This category is intended for use as an additional code to identify the outcome of delivery on the mother's record. It is not for use on the newborn record.

Excludes1 (never code together)

• stillbirth (P95)

MS-DRG index

Defines the logic of DRG(s) 768 in MDC 14.

Approximate ICD-9-CM (GEMs)

• V27.4 Outcome of delivery, twins, both stillborn

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.
• Unacceptable principal diagnosis: These codes describe a circumstance which influences care but is not a current illness or injury, or capture only an underlying condition, and are unacceptable as principal diagnosis.

Code annotations containing back-references to Z37.4

Back-references to Z37.4

• Type 1 Excludes: P95 Stillbirth ("outcome of delivery, stillbirth (Z37.1, Z37.3, Z37.4, Z37.7)")

Diagnosis Index entries for Z37.4

• Outcome of delivery › twins NEC › both stillborn

Nearby codes

• Z37 Outcome of delivery
• Z37.0 Single live birth
• Z37.1 Single stillbirth
• Z37.2 Twins, both liveborn
• Z37.3 Twins, one liveborn and one stillborn
• Z37.4 Twins, both stillborn (this code)
• Z37.5 Other multiple births, all liveborn
• Z37.50 Multiple births, unspecified, all liveborn
• Z37.51 Triplets, all liveborn
• Z37.52 Quadruplets, all liveborn
• Z37.53 Quintuplets, all liveborn