O29.4
Spinal and epidural anesthesia induced headache during pregnancy
Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 9 never code together
Instructional notes 9
O29code
Includes
- maternal complications arising from the administration of a general, regional or local anesthetic, analgesic or other sedation during pregnancy
Use additional code
- code, if necessary, to identify the complication
O00-O9Achapter
Notes
- CODES FROM THIS CHAPTER ARE FOR USE ONLY ON MATERNAL RECORDS, NEVER ON NEWBORN RECORDS
- Codes from this chapter are for use for conditions related to or aggravated by the pregnancy, childbirth, or by the puerperium (maternal causes or obstetric causes)
- Trimesters are counted from the first day of the last menstrual period. They are defined as follows:
- 1st trimester- less than 14 weeks 0 days
- 2nd trimester- 14 weeks 0 days to less than 28 weeks 0 days
- 3rd trimester- 28 weeks 0 days until delivery
Use additional code
- code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.Z3A
Index entries leading here 2
Alongside this code 8 same parent — O29
O29.0 Pulmonary complications of anesthesia during pregnancy category O29.1 Cardiac complications of anesthesia during pregnancy category O29.2 Cnsl complications of anesthesia during pregnancy category O29.3 Toxic reaction to local anesthesia during pregnancy category O29.5 Oth comp of spinal and epidural anesthesia during pregnancy category O29.6 Failed or difficult intubation for anesth during pregnancy category O29.8 Other complications of anesthesia during pregnancy category O29.9 Unspecified complication of anesthesia during pregnancy category
Subordinate codes 4
Medications 4
14 Hypertension, Pregnancy-Induced drugs 1315 Female Urogenital Diseases and Pregnancy Complications drugs 2 Chemical and Drug Induced Liver Injury drugs 1 Chemical and Drug Induced Liver Injury, Chronic drugs
MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.