ICD-10-CM category
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 | — |
| O29.0 | Pulmonary complications of anesthesia during pregnancy | — |
| O29.01 | Aspiration pneumonitis due to anesthesia during pregnancy | — |
| O29.01 | Aspiration pneumonitis due to anesthesia during pregnancy | — |
| O29.1 | Cardiac complications of anesthesia during pregnancy | — |
| O29.1 | Cardiac complications of anesthesia during pregnancy | — |
| O29.02 | Pressure collapse of lung due to anesthesia during pregnancy | — |
| O29.02 | Pressure collapse of lung due to anesthesia during pregnancy | — |
| O29.2 | Central nervous system complications of anesthesia during pregnancy | — |
| O29.2 | Central nervous system complications of anesthesia during pregnancy | — |
| O29.3 | Toxic reaction to local anesthesia during pregnancy | — |
| O29.3 | Toxic reaction to local anesthesia during pregnancy | — |
| O29.3X | 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 | ✓ |
| O29.3X1 | Toxic reaction to local anesthesia during pregnancy, first trimester | ✓ |
| O29.3X2 | Toxic reaction to local anesthesia during pregnancy, second trimester | ✓ |
| O29.3X2 | Toxic reaction to local anesthesia during pregnancy, second trimester | ✓ |
| O29.3X3 | Toxic reaction to local anesthesia during pregnancy, third trimester | ✓ |
| O29.3X3 | Toxic reaction to local anesthesia during pregnancy, third trimester | ✓ |
| O29.3X9 | Toxic reaction to local anesthesia during pregnancy, unspecified trimester | ✓ |
| O29.3X9 | Toxic reaction to local anesthesia during pregnancy, unspecified trimester | ✓ |
| O29.4 | Spinal and epidural anesthesia induced headache during pregnancy | — |
| O29.4 | Spinal and epidural anesthesia induced headache during pregnancy | — |
| O29.5 | Other complications of spinal and epidural anesthesia during pregnancy | — |
| O29.5 | Other complications of spinal and epidural anesthesia during pregnancy | — |
| O29.5X | Other complications of spinal and epidural anesthesia during pregnancy | — |
| O29.5X | Other complications of spinal and epidural anesthesia during pregnancy | — |
| O29.5X1 | Other complications of spinal and epidural anesthesia during pregnancy, first trimester | ✓ |
| 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 | ✓ |
| O29.5X2 | Other complications of spinal and epidural anesthesia during pregnancy, second trimester | ✓ |
| O29.5X3 | Other complications of spinal and epidural anesthesia during pregnancy, third trimester | ✓ |
| O29.5X3 | Other complications of spinal and epidural anesthesia during pregnancy, third trimester | ✓ |
| O29.5X9 | Other complications of spinal and epidural anesthesia during pregnancy, unspecified trimester | ✓ |
| O29.5X9 | Other complications of spinal and epidural anesthesia during pregnancy, unspecified trimester | ✓ |
| O29.6 | Failed or difficult intubation for anesthesia during pregnancy | — |
| O29.6 | Failed or difficult intubation for anesthesia during pregnancy | — |
| O29.8 | Other complications of anesthesia during pregnancy | — |
| O29.8 | Other complications of anesthesia during pregnancy | — |
| O29.8X | Other complications of anesthesia during pregnancy | — |
| O29.8X | Other complications of anesthesia during pregnancy | — |
| O29.8X1 | Other complications of anesthesia during pregnancy, first trimester | ✓ |
| O29.8X1 | Other complications of anesthesia during pregnancy, first trimester | ✓ |
| O29.8X2 | Other complications of anesthesia during pregnancy, second trimester | ✓ |
| O29.8X2 | Other complications of anesthesia during pregnancy, second trimester | ✓ |
| O29.8X3 | Other complications of anesthesia during pregnancy, third trimester | ✓ |
| O29.8X3 | Other complications of anesthesia during pregnancy, third trimester | ✓ |
| O29.8X9 | Other complications of anesthesia during pregnancy, unspecified trimester | ✓ |
| O29.8X9 | Other complications of anesthesia during pregnancy, unspecified trimester | ✓ |
| O29.09 | Other pulmonary complications of anesthesia during pregnancy | — |
| O29.09 | Other pulmonary complications of anesthesia during pregnancy | — |
| O29.9 | Unspecified complication of anesthesia during pregnancy | — |
| O29.9 | Unspecified complication of anesthesia during pregnancy | — |
| O29.011 | Aspiration pneumonitis due to anesthesia during pregnancy, first trimester | ✓ |
| O29.011 | Aspiration pneumonitis due to anesthesia during pregnancy, first trimester | ✓ |
| O29.11 | Cardiac arrest due to anesthesia during pregnancy | — |
| O29.11 | Cardiac arrest due to anesthesia during pregnancy | — |
| O29.012 | Aspiration pneumonitis due to anesthesia during pregnancy, second trimester | ✓ |
| O29.012 | Aspiration pneumonitis due to anesthesia during pregnancy, second trimester | ✓ |
| O29.12 | Cardiac failure due to anesthesia during pregnancy | — |
| O29.12 | Cardiac failure due to anesthesia during pregnancy | — |
| O29.013 | Aspiration pneumonitis due to anesthesia during pregnancy, third trimester | ✓ |
| O29.013 | Aspiration pneumonitis due to anesthesia during pregnancy, third trimester | ✓ |
| O29.019 | Aspiration pneumonitis due to anesthesia during pregnancy, unspecified trimester | ✓ |
| O29.019 | Aspiration pneumonitis due to anesthesia during pregnancy, unspecified trimester | ✓ |
| O29.19 | Other cardiac complications of anesthesia during pregnancy | — |
| O29.19 | Other cardiac complications of anesthesia during pregnancy | — |
| O29.021 | Pressure collapse of lung due to anesthesia during pregnancy, first trimester | ✓ |
| O29.021 | Pressure collapse of lung due to anesthesia during pregnancy, first trimester | ✓ |
| O29.21 | Cerebral anoxia due to anesthesia during pregnancy | — |
| O29.21 | Cerebral anoxia due to anesthesia during pregnancy | — |
| O29.022 | Pressure collapse of lung due to anesthesia during pregnancy, second trimester | ✓ |
| 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 | ✓ |
| O29.023 | Pressure collapse of lung due to anesthesia during pregnancy, third trimester | ✓ |
| O29.029 | Pressure collapse of lung due to anesthesia during pregnancy, unspecified trimester | ✓ |
| O29.029 | Pressure collapse of lung due to anesthesia during pregnancy, unspecified trimester | ✓ |
| O29.29 | Other central nervous system complications of anesthesia during pregnancy | — |
| O29.29 | Other central nervous system complications of anesthesia during pregnancy | — |
| O29.40 | Spinal and epidural anesthesia induced headache during pregnancy, unspecified trimester | ✓ |
| O29.40 | Spinal and epidural anesthesia induced headache during pregnancy, unspecified trimester | ✓ |
| O29.41 | Spinal and epidural anesthesia induced headache during pregnancy, first trimester | ✓ |
| O29.41 | Spinal and epidural anesthesia induced headache during pregnancy, first trimester | ✓ |
| O29.42 | Spinal and epidural anesthesia induced headache during pregnancy, second 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 | ✓ |
| O29.43 | Spinal and epidural anesthesia induced headache during pregnancy, third trimester | ✓ |
| O29.60 | Failed or difficult intubation for anesthesia during pregnancy, unspecified 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 | ✓ |
| O29.61 | Failed or difficult intubation for anesthesia during pregnancy, first trimester | ✓ |
| O29.62 | Failed or difficult intubation for anesthesia during pregnancy, second 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 | ✓ |
| O29.63 | Failed or difficult intubation for anesthesia during pregnancy, third trimester | ✓ |
| O29.90 | Unspecified complication of anesthesia during pregnancy, unspecified trimester | ✓ |
| O29.90 | Unspecified complication of anesthesia during pregnancy, unspecified trimester | ✓ |
| O29.091 | Other pulmonary complications of anesthesia during pregnancy, first trimester | ✓ |
| O29.091 | Other pulmonary complications of anesthesia during pregnancy, first trimester | ✓ |
| O29.91 | Unspecified complication 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 | ✓ |
| O29.092 | Other pulmonary complications of anesthesia during pregnancy, second trimester | ✓ |
| O29.92 | Unspecified complication 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 | ✓ |
| O29.093 | Other pulmonary complications of anesthesia during pregnancy, third trimester | ✓ |
| O29.93 | Unspecified complication 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 | ✓ |
| O29.099 | Other pulmonary complications of anesthesia during pregnancy, unspecified trimester | ✓ |
| O29.111 | Cardiac arrest due to anesthesia during pregnancy, first trimester | ✓ |
| O29.111 | Cardiac arrest due to anesthesia during pregnancy, first trimester | ✓ |
| O29.112 | Cardiac arrest due to anesthesia during pregnancy, second trimester | ✓ |
| O29.112 | Cardiac arrest due to anesthesia during pregnancy, second trimester | ✓ |
| O29.113 | Cardiac arrest due to anesthesia during pregnancy, third trimester | ✓ |
| O29.113 | Cardiac arrest due to anesthesia during pregnancy, third trimester | ✓ |
| O29.119 | Cardiac arrest due to anesthesia during pregnancy, unspecified trimester | ✓ |
| O29.119 | Cardiac arrest due to anesthesia during pregnancy, unspecified trimester | ✓ |
| O29.121 | Cardiac failure due to anesthesia during pregnancy, first trimester | ✓ |
| O29.121 | Cardiac failure due to anesthesia during pregnancy, first trimester | ✓ |
| O29.122 | Cardiac failure due to anesthesia during pregnancy, second trimester | ✓ |
| O29.122 | Cardiac failure due to anesthesia during pregnancy, second trimester | ✓ |
| O29.123 | Cardiac failure due to anesthesia during pregnancy, third trimester | ✓ |
| O29.123 | Cardiac failure due to anesthesia during pregnancy, third trimester | ✓ |
| O29.129 | Cardiac failure due to anesthesia during pregnancy, unspecified trimester | ✓ |
| O29.129 | Cardiac failure due to anesthesia during pregnancy, unspecified trimester | ✓ |
| O29.191 | Other cardiac complications of anesthesia during pregnancy, first trimester | ✓ |
| O29.191 | Other cardiac complications of anesthesia during pregnancy, first trimester | ✓ |
| O29.192 | Other cardiac complications of anesthesia during pregnancy, second trimester | ✓ |
| O29.192 | Other cardiac complications of anesthesia during pregnancy, second trimester | ✓ |
| O29.193 | Other cardiac complications of anesthesia during pregnancy, third trimester | ✓ |
| O29.193 | Other cardiac complications of anesthesia during pregnancy, third trimester | ✓ |
| O29.199 | Other cardiac complications of anesthesia during pregnancy, unspecified trimester | ✓ |
| O29.199 | Other cardiac complications of anesthesia during pregnancy, unspecified trimester | ✓ |
| O29.211 | Cerebral anoxia due to anesthesia during pregnancy, first trimester | ✓ |
| O29.211 | Cerebral anoxia due to anesthesia during pregnancy, first trimester | ✓ |
| O29.212 | Cerebral anoxia due to anesthesia during pregnancy, second trimester | ✓ |
| O29.212 | Cerebral anoxia due to anesthesia during pregnancy, second trimester | ✓ |
| O29.213 | Cerebral anoxia due to anesthesia during pregnancy, third trimester | ✓ |
| O29.213 | Cerebral anoxia due to anesthesia during pregnancy, third trimester | ✓ |
| O29.219 | Cerebral anoxia due to anesthesia during pregnancy, unspecified 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 | ✓ |
| O29.291 | Other central nervous system complications of anesthesia during pregnancy, first trimester | ✓ |
| O29.292 | Other central nervous system complications of anesthesia during pregnancy, second trimester | ✓ |
| O29.292 | Other central nervous system complications of anesthesia during pregnancy, second trimester | ✓ |
| O29.293 | Other central nervous system complications of anesthesia during pregnancy, third trimester | ✓ |
| O29.293 | Other central nervous system complications of anesthesia during pregnancy, third trimester | ✓ |
| O29.299 | Other central nervous system complications of anesthesia during pregnancy, unspecified trimester | ✓ |
| O29.299 | Other central nervous system complications of anesthesia during pregnancy, unspecified trimester | ✓ |
Frequently asked questions
What is ICD-10-CM code O29?
O29 is an ICD-10-CM category covering Complications of anesthesia during pregnancy. It contains 152 more specific diagnosis codes, 112 of which are billable.
Is O29 a billable code?
No — O29 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example O29.0 — Pulmonary complications of anesthesia during pregnancy). 112 of the 152 codes under O29 are billable.
What codes fall under O29?
O29 includes O29.0, O29.0, O29.01, O29.01, O29.1, plus 147 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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