O74.9 Complication of anesthesia during labor and delivery, unspecified

Billable ICD-10-CM code, FY2026.

Applies from O74 Complications of anesthesia during labor and delivery

Includes

• maternal complications arising from the administration of a general, regional or local anesthetic, analgesic or other sedation during labor and delivery

Use additional code

• code, if applicable, to identify specific complication

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 668.91 Unspecified complication of anesthesia and other sedation in labor and delivery, delivered, with or without mention of antepartum condition (approximate)
• 668.92 Unspecified complication of anesthesia and other sedation in labor and delivery, delivered, with mention of postpartum 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.

Code annotations containing back-references to O74.9

Back-references to O74

• Type 2 Excludes: O29 Complications of anesthesia during pregnancy ("complications of anesthesia during labor and delivery (O74.-)")
• Type 2 Excludes: O75.4 Other complications of obstetric surgery and procedures ("complications of anesthesia during labor and delivery (O74.-)")
• Type 1 Excludes: T41 Poisoning by, adverse effect of and underdosing of anesthetics and therapeutic gases ("complications of anesthesia during labor and delivery (O74.-)")
• Type 2 Excludes: T88 Other complications of surgical and medical care, not elsewhere classified ("complications of anesthesia in labor and delivery (O74.-)")
• Type 1 Excludes: T88.2 Shock due to anesthesia ("labor and delivery (O74.-)")

Diagnosis Index entries for O74.9

• Complication (s) (from) (of) › sedation during labor and delivery
• Effect, adverse › anesthesia › in labor and delivery

Nearby codes

• O74.4 Toxic reaction to local anesthesia during labor and delivery
• O74.5 Spinal and epidural anesthesia-induced headache during labor and delivery
• O74.6 Other complications of spinal and epidural anesthesia during labor and delivery
• O74.7 Failed or difficult intubation for anesthesia during labor and delivery
• O74.8 Other complications of anesthesia during labor and delivery
• O74.9 Complication of anesthesia during labor and delivery, unspecified (this code)