O77.9 Labor and delivery complicated by fetal stress, unspecified

The ICD-10-CM code for Labor and delivery complicated by fetal stress, unspecified is O77.9 (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 O77

5 codes (4 billable)

FY2026 Status

Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to O77.9:

• Stress › fetal › complicating pregnancy
• Delivery (childbirth) (labor) › complicated › by › fetal › stress

U.S. Hospital Utilization

• An estimated 8,410 U.S. inpatient stays in 2023 included O77.9 among the documented diagnoses.
• 1,375 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)