O70.3 Fourth degree perineal laceration during delivery

The ICD-10-CM code for Fourth degree perineal laceration during delivery is O70.3 (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 O70.3:

• Tear, torn (traumatic) › anus, anal (sphincter) › complicating delivery › with third degree perineal laceration › with mucosa
• Laceration › perineum › female › during delivery › fourth degree
• Delivery (childbirth) (labor) › complicated › by › laceration (perineal) › perineum, perineal › fourth degree
• Delivery (childbirth) (labor) › complicated › by › laceration (perineal) › rectovaginal (septum) (without perineal laceration) › with perineum › with anal or rectal mucosa
• Delivery (childbirth) (labor) › complicated › by › laceration (perineal) › anus (sphincter) › with third degree laceration › with mucosa

Inclusion Terms

• Perineal laceration, rupture or tear during delivery as in O70.2, also involving anal mucosa
• Perineal laceration, rupture or tear during delivery as in O70.2, also involving rectal mucosa

U.S. Hospital Utilization

• An estimated 6,755 U.S. inpatient stays in 2023 included O70.3 among the documented diagnoses.
• 615 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)