O29: Complications of anesthesia during pregnancy

Codes under O29 (Complications of anesthesia during pregnancy). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

Code	Description	Billable
O29.0	Pulmonary complications of anesthesia during pregnancy	—
O29.01	Aspiration pneumonitis due to anesthesia during pregnancy	—
O29.1	Cardiac complications of anesthesia during pregnancy	—
O29.02	Pressure collapse of lung due to anesthesia during pregnancy	—
O29.2	Central nervous system complications of anesthesia during pregnancy	—
O29.3	Toxic reaction to local anesthesia during pregnancy	—
O29.3X	Toxic reaction to local anesthesia during pregnancy	—
O29.3X1	Toxic reaction to local anesthesia during pregnancy, first trimester	✓
O29.3X2	Toxic reaction to local anesthesia during pregnancy, second trimester	✓
O29.3X3	Toxic reaction to local anesthesia during pregnancy, third trimester	✓
O29.3X9	Toxic reaction to local anesthesia during pregnancy, unspecified trimester	✓
O29.4	Spinal and epidural anesthesia induced headache during pregnancy	—
O29.5	Other complications of spinal and epidural anesthesia during pregnancy	—
O29.5X	Other complications of spinal and epidural anesthesia during pregnancy	—
O29.5X1	Other complications of spinal and epidural anesthesia during pregnancy, first trimester	✓
O29.5X2	Other complications of spinal and epidural anesthesia during pregnancy, second trimester	✓
O29.5X3	Other complications of spinal and epidural anesthesia during pregnancy, third trimester	✓
O29.5X9	Other complications of spinal and epidural anesthesia during pregnancy, unspecified trimester	✓
O29.6	Failed or difficult intubation for anesthesia during pregnancy	—
O29.8	Other complications of anesthesia during pregnancy	—
O29.8X	Other complications of anesthesia during pregnancy	—
O29.8X1	Other complications of anesthesia during pregnancy, first trimester	✓
O29.8X2	Other complications of anesthesia during pregnancy, second trimester	✓
O29.8X3	Other complications of anesthesia during pregnancy, third trimester	✓
O29.8X9	Other complications of anesthesia during pregnancy, unspecified trimester	✓
O29.09	Other pulmonary complications of anesthesia during pregnancy	—
O29.9	Unspecified complication of anesthesia during pregnancy	—
O29.011	Aspiration pneumonitis due to anesthesia during pregnancy, first trimester	✓
O29.11	Cardiac arrest due to anesthesia during pregnancy	—
O29.012	Aspiration pneumonitis due to anesthesia during pregnancy, second trimester	✓
O29.12	Cardiac failure due to anesthesia during pregnancy	—
O29.013	Aspiration pneumonitis due to anesthesia during pregnancy, third trimester	✓
O29.019	Aspiration pneumonitis due to anesthesia during pregnancy, unspecified trimester	✓
O29.19	Other cardiac complications of anesthesia during pregnancy	—
O29.021	Pressure collapse of lung due to anesthesia during pregnancy, first trimester	✓
O29.21	Cerebral anoxia due to anesthesia during pregnancy	—
O29.022	Pressure collapse of lung due to anesthesia during pregnancy, second trimester	✓
O29.023	Pressure collapse of lung due to anesthesia during pregnancy, third trimester	✓
O29.029	Pressure collapse of lung due to anesthesia during pregnancy, unspecified trimester	✓
O29.29	Other central nervous system complications of anesthesia during pregnancy	—
O29.40	Spinal and epidural anesthesia induced headache during pregnancy, unspecified trimester	✓
O29.41	Spinal and epidural anesthesia induced headache during pregnancy, first trimester	✓
O29.42	Spinal and epidural anesthesia induced headache during pregnancy, second trimester	✓
O29.43	Spinal and epidural anesthesia induced headache during pregnancy, third trimester	✓
O29.60	Failed or difficult intubation for anesthesia during pregnancy, unspecified trimester	✓
O29.61	Failed or difficult intubation for anesthesia during pregnancy, first trimester	✓
O29.62	Failed or difficult intubation for anesthesia during pregnancy, second trimester	✓
O29.63	Failed or difficult intubation for anesthesia during pregnancy, third trimester	✓
O29.90	Unspecified complication of anesthesia during pregnancy, unspecified trimester	✓
O29.091	Other pulmonary complications of anesthesia during pregnancy, first trimester	✓
O29.91	Unspecified complication of anesthesia during pregnancy, first trimester	✓
O29.092	Other pulmonary complications of anesthesia during pregnancy, second trimester	✓
O29.92	Unspecified complication of anesthesia during pregnancy, second trimester	✓
O29.093	Other pulmonary complications of anesthesia during pregnancy, third trimester	✓
O29.93	Unspecified complication of anesthesia during pregnancy, third trimester	✓
O29.099	Other pulmonary complications of anesthesia during pregnancy, unspecified trimester	✓
O29.111	Cardiac arrest due to anesthesia during pregnancy, first trimester	✓
O29.112	Cardiac arrest due to anesthesia during pregnancy, second trimester	✓
O29.113	Cardiac arrest due to anesthesia during pregnancy, third trimester	✓
O29.119	Cardiac arrest due to anesthesia during pregnancy, unspecified trimester	✓
O29.121	Cardiac failure due to anesthesia during pregnancy, first trimester	✓
O29.122	Cardiac failure due to anesthesia during pregnancy, second trimester	✓
O29.123	Cardiac failure due to anesthesia during pregnancy, third trimester	✓
O29.129	Cardiac failure due to anesthesia during pregnancy, unspecified trimester	✓
O29.191	Other cardiac complications of anesthesia during pregnancy, first trimester	✓
O29.192	Other cardiac complications of anesthesia during pregnancy, second trimester	✓
O29.193	Other cardiac complications of anesthesia during pregnancy, third trimester	✓
O29.199	Other cardiac complications of anesthesia during pregnancy, unspecified trimester	✓
O29.211	Cerebral anoxia due to anesthesia during pregnancy, first trimester	✓
O29.212	Cerebral anoxia due to anesthesia during pregnancy, second trimester	✓
O29.213	Cerebral anoxia due to anesthesia during pregnancy, third trimester	✓
O29.219	Cerebral anoxia due to anesthesia during pregnancy, unspecified trimester	✓
O29.291	Other central nervous system complications of anesthesia during pregnancy, first trimester	✓
O29.292	Other central nervous system complications of anesthesia during pregnancy, second trimester	✓
O29.293	Other central nervous system complications of anesthesia during pregnancy, third trimester	✓
O29.299	Other central nervous system complications of anesthesia during pregnancy, unspecified trimester	✓

More free billing tools: all ICD-10 categories · ICD-10 search · denial codes · Medicare fees

Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.

Code the diagnosis right