O89.4 Spinal and epidural anesthesia-induced headache during the puerperium

The ICD-10-CM code for Spinal and epidural anesthesia-induced headache during the puerperium is O89.4 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Chapter

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

Section

O85-O92: Complications predominantly related to the puerperium (O85-O92)

Category O89

12 codes (10 billable)

FY2026 Status

Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to O89.4:

• Headache › spinal and epidural anesthesia - induced › postpartum, puerperal
• Effect, adverse › anesthesia › spinal and epidural › headache › postpartum, puerperal
• Complication (s) (from) (of) › anesthesia, anesthetic › spinal and epidural › postpartum, puerperal NEC › headache

U.S. Hospital Utilization

• An estimated 7,590 U.S. inpatient stays in 2023 included O89.4 among the documented diagnoses.
• 450 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)