O70.9 Perineal laceration during delivery, unspecified

Billable ICD-10-CM code, FY2026.

Applies from O70 Perineal laceration during delivery

Includes

• episiotomy extended by laceration

Excludes1 (never code together)

• obstetric high vaginal laceration alone (O71.4)

MS-DRG index

Defines the logic of DRG(s) 769 in MDC 14.

Approximate ICD-9-CM (GEMs)

• 664.41 Unspecified perineal laceration, delivered, with or without mention of antepartum condition (approximate)
• 664.44 Unspecified perineal laceration, postpartum 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.

Code annotations containing back-references to O70.9

Back-references to O70

• Type 1 Excludes: N89.8 Other specified noninflammatory disorders of vagina ("current obstetric trauma (O70.-, O71.4, O71.7-O71.8)")
• Type 1 Excludes: N90 Other noninflammatory disorders of vulva and perineum ("current obstetric trauma (O70.-, O71.7-O71.8)")
• Type 1 Excludes: O71.4 Obstetric high vaginal laceration alone ("obstetric high vaginal laceration with perineal laceration (O70.-)")
• Type 1 Excludes: S31.4 Open wound of vagina and vulva ("injury to vagina and vulva during delivery (O70.-, O71.4)")

Diagnosis Index entries for O70.9

• Delivery (childbirth) (labor) › complicated › by › laceration (perineal)
• Delivery (childbirth) (labor) › complicated › by › laceration (perineal) › perineum, perineal
• Injury › instrumental (during surgery) › obstetrical › perineal NOS
• Laceration › central (perineal), complicating delivery
• Laceration › perineum › female › during delivery

Nearby codes

• O70.21 Third degree perineal laceration during delivery, IIIa
• O70.22 Third degree perineal laceration during delivery, IIIb
• O70.23 Third degree perineal laceration during delivery, IIIc
• O70.3 Fourth degree perineal laceration during delivery
• O70.4 Anal sphincter tear complicating delivery, not associated with third degree laceration
• O70.9 Perineal laceration during delivery, unspecified (this code)