O70.1 Second degree perineal laceration during delivery

The ICD-10-CM code for Second degree perineal laceration during delivery is O70.1 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Chapter

15: Pregnancy, childbirth and the puerperium (O00-O9A)

Section

O60-O77: Complications of labor and delivery (O60-O77)

Category O70

11 codes (9 billable)

FY2026 Status

Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to O70.1:

• Tear, torn (traumatic) › pelvic › floor, complicating delivery
• Rupture, ruptured › pelvic › floor, complicating delivery
• Injury › pelvis, pelvic (floor) › complicating delivery
• Laceration › pelvic › floor › complicating delivery
• Perforation, perforated (nontraumatic) (of) › pelvic › floor › obstetrical trauma
• Laceration › perineum › female › during delivery › second degree
• Delivery (childbirth) (labor) › complicated › by › laceration (perineal) › pelvic › floor
• Delivery (childbirth) (labor) › complicated › by › laceration (perineal) › perineum, perineal › muscles

Inclusion Terms

• Perineal laceration, rupture or tear during delivery as in O70.0, also involving pelvic floor
• Perineal laceration, rupture or tear during delivery as in O70.0, also involving perineal muscles
• Perineal laceration, rupture or tear during delivery as in O70.0, also involving vaginal muscles

U.S. Hospital Utilization

• An estimated 679,500 U.S. inpatient stays in 2023 included O70.1 among the documented diagnoses.
• 80,830 stays listed it as the principal diagnosis.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.

References

• CMS — ICD-10-CM Official Code Set and Guidelines, FY2026
• CDC/NCHS — ICD-10-CM Files and Browser Tool
• AHRQ — HCUP National Inpatient Sample, Frequencies by Diagnosis Code (2016–2023)