ICD-10-CM · Chapter 15 · O00-O9A
O29 Complications of anesthesia during pregnancy
Includes
- maternal complications arising from the administration of a general, regional or local anesthetic, analgesic or other sedation during pregnancy
Excludes 2 (not included here)
- complications of anesthesia during labor and delivery (O74.-)
- complications of anesthesia during the puerperium (O89.-)
Use Additional Code
- code, if necessary, to identify the complication
Subcodes
Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.
| Code | Description | Billable |
|---|---|---|
| O29..0 | Pulmonary complications of anesthesia during pregnancy | No |
| O29..01 | Aspiration pneumonitis due to anesthesia during pregnancy | No |
| O29..011 | Aspiration pneumonitis due to anesthesia during pregnancy, first trimester | Yes |
| O29..012 | Aspiration pneumonitis due to anesthesia during pregnancy, second trimester | Yes |
| O29..013 | Aspiration pneumonitis due to anesthesia during pregnancy, third trimester | Yes |
| O29..019 | Aspiration pneumonitis due to anesthesia during pregnancy, unspecified trimester | Yes |
| O29..02 | Pressure collapse of lung due to anesthesia during pregnancy | No |
| O29..021 | Pressure collapse of lung due to anesthesia during pregnancy, first trimester | Yes |
| O29..022 | Pressure collapse of lung due to anesthesia during pregnancy, second trimester | Yes |
| O29..023 | Pressure collapse of lung due to anesthesia during pregnancy, third trimester | Yes |
| O29..029 | Pressure collapse of lung due to anesthesia during pregnancy, unspecified trimester | Yes |
| O29..09 | Other pulmonary complications of anesthesia during pregnancy | No |
| O29..091 | Other pulmonary complications of anesthesia during pregnancy, first trimester | Yes |
| O29..092 | Other pulmonary complications of anesthesia during pregnancy, second trimester | Yes |
| O29..093 | Other pulmonary complications of anesthesia during pregnancy, third trimester | Yes |
| O29..099 | Other pulmonary complications of anesthesia during pregnancy, unspecified trimester | Yes |
| O29..1 | Cardiac complications of anesthesia during pregnancy | No |
| O29..11 | Cardiac arrest due to anesthesia during pregnancy | No |
| O29..111 | Cardiac arrest due to anesthesia during pregnancy, first trimester | Yes |
| O29..112 | Cardiac arrest due to anesthesia during pregnancy, second trimester | Yes |
| O29..113 | Cardiac arrest due to anesthesia during pregnancy, third trimester | Yes |
| O29..119 | Cardiac arrest due to anesthesia during pregnancy, unspecified trimester | Yes |
| O29..12 | Cardiac failure due to anesthesia during pregnancy | No |
| O29..121 | Cardiac failure due to anesthesia during pregnancy, first trimester | Yes |
| O29..122 | Cardiac failure due to anesthesia during pregnancy, second trimester | Yes |
| O29..123 | Cardiac failure due to anesthesia during pregnancy, third trimester | Yes |
| O29..129 | Cardiac failure due to anesthesia during pregnancy, unspecified trimester | Yes |
| O29..19 | Other cardiac complications of anesthesia during pregnancy | No |
| O29..191 | Other cardiac complications of anesthesia during pregnancy, first trimester | Yes |
| O29..192 | Other cardiac complications of anesthesia during pregnancy, second trimester | Yes |
| O29..193 | Other cardiac complications of anesthesia during pregnancy, third trimester | Yes |
| O29..199 | Other cardiac complications of anesthesia during pregnancy, unspecified trimester | Yes |
| O29..2 | Central nervous system complications of anesthesia during pregnancy | No |
| O29..21 | Cerebral anoxia due to anesthesia during pregnancy | No |
| O29..211 | Cerebral anoxia due to anesthesia during pregnancy, first trimester | Yes |
| O29..212 | Cerebral anoxia due to anesthesia during pregnancy, second trimester | Yes |
| O29..213 | Cerebral anoxia due to anesthesia during pregnancy, third trimester | Yes |
| O29..219 | Cerebral anoxia due to anesthesia during pregnancy, unspecified trimester | Yes |
| O29..29 | Other central nervous system complications of anesthesia during pregnancy | No |
| O29..291 | Other central nervous system complications of anesthesia during pregnancy, first trimester | Yes |
| O29..292 | Other central nervous system complications of anesthesia during pregnancy, second trimester | Yes |
| O29..293 | Other central nervous system complications of anesthesia during pregnancy, third trimester | Yes |
| O29..299 | Other central nervous system complications of anesthesia during pregnancy, unspecified trimester | Yes |
| O29..3 | Toxic reaction to local anesthesia during pregnancy | No |
| O29..3X | Toxic reaction to local anesthesia during pregnancy | No |
| O29..3X1 | Toxic reaction to local anesthesia during pregnancy, first trimester | Yes |
| O29..3X2 | Toxic reaction to local anesthesia during pregnancy, second trimester | Yes |
| O29..3X3 | Toxic reaction to local anesthesia during pregnancy, third trimester | Yes |
| O29..3X9 | Toxic reaction to local anesthesia during pregnancy, unspecified trimester | Yes |
| O29..4 | Spinal and epidural anesthesia induced headache during pregnancy | No |
| O29..40 | Spinal and epidural anesthesia induced headache during pregnancy, unspecified trimester | Yes |
| O29..41 | Spinal and epidural anesthesia induced headache during pregnancy, first trimester | Yes |
| O29..42 | Spinal and epidural anesthesia induced headache during pregnancy, second trimester | Yes |
| O29..43 | Spinal and epidural anesthesia induced headache during pregnancy, third trimester | Yes |
| O29..5 | Other complications of spinal and epidural anesthesia during pregnancy | No |
| O29..5X | Other complications of spinal and epidural anesthesia during pregnancy | No |
| O29..5X1 | Other complications of spinal and epidural anesthesia during pregnancy, first trimester | Yes |
| O29..5X2 | Other complications of spinal and epidural anesthesia during pregnancy, second trimester | Yes |
| O29..5X3 | Other complications of spinal and epidural anesthesia during pregnancy, third trimester | Yes |
| O29..5X9 | Other complications of spinal and epidural anesthesia during pregnancy, unspecified trimester | Yes |
| O29..6 | Failed or difficult intubation for anesthesia during pregnancy | No |
| O29..60 | Failed or difficult intubation for anesthesia during pregnancy, unspecified trimester | Yes |
| O29..61 | Failed or difficult intubation for anesthesia during pregnancy, first trimester | Yes |
| O29..62 | Failed or difficult intubation for anesthesia during pregnancy, second trimester | Yes |
| O29..63 | Failed or difficult intubation for anesthesia during pregnancy, third trimester | Yes |
| O29..8 | Other complications of anesthesia during pregnancy | No |
| O29..8X | Other complications of anesthesia during pregnancy | No |
| O29..8X1 | Other complications of anesthesia during pregnancy, first trimester | Yes |
| O29..8X2 | Other complications of anesthesia during pregnancy, second trimester | Yes |
| O29..8X3 | Other complications of anesthesia during pregnancy, third trimester | Yes |
| O29..8X9 | Other complications of anesthesia during pregnancy, unspecified trimester | Yes |
| O29..9 | Unspecified complication of anesthesia during pregnancy | No |
| O29..90 | Unspecified complication of anesthesia during pregnancy, unspecified trimester | Yes |
| O29..91 | Unspecified complication of anesthesia during pregnancy, first trimester | Yes |
| O29..92 | Unspecified complication of anesthesia during pregnancy, second trimester | Yes |
| O29..93 | Unspecified complication of anesthesia during pregnancy, third trimester | Yes |
Last reviewed: September 2026