O77.1 Fetal stress in labor or delivery due to drug administration

Billable ICD-10-CM code, FY2026.

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 656.81 Other specified fetal and placental problems, affecting management of mother, 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 O77.1

Back-references to O77.1

• Type 2 Excludes: O76 Abnormality in fetal heart rate and rhythm complicating labor and delivery ("other fetal stress (O77.0-O77.1)")

Back-references to O77

• Type 2 Excludes: O36 Maternal care for other fetal problems ("labor and delivery complicated by fetal stress (O77.-)")

Diagnosis Index entries for O77.1

• Delivery (childbirth) (labor) › complicated › by › fetal › stress › due to drug administration
• Stress › fetal › complicating pregnancy › due to drug administration

Nearby codes

• O77 Other fetal stress complicating labor and delivery
• O77.0 Labor and delivery complicated by meconium in amniotic fluid
• O77.1 Fetal stress in labor or delivery due to drug administration (this code)
• O77.8 Labor and delivery complicated by other evidence of fetal stress
• O77.9 Labor and delivery complicated by fetal stress, unspecified