O70.22 Third degree perineal laceration during delivery, IIIb

The ICD-10-CM code for Third degree perineal laceration during delivery, IIIb is O70.22 (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 O70.22:

• Delivery (childbirth) (labor) › complicated › by › laceration (perineal) › perineum, perineal › third degree › IIIb
• Delivery (childbirth) (labor) › complicated › by › laceration (perineal) › perineum, perineal › third degree › with › more than 50% external anal sphincter (EAS) thickness torn (IIIb)

Inclusion Terms

• Third degree perineal laceration during delivery with more than 50% external anal sphincter (EAS) thickness torn

U.S. Hospital Utilization

• An estimated 5,230 U.S. inpatient stays in 2023 included O70.22 among the documented diagnoses.
• 260 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)