ICD-10 · PDGM grouping
O29 Complications of anesthesia during pregnancy
All 56 codes in the O29 family, with the PDGM clinical group, comorbidity subgroup and primary-position rule CMS assigns, read from the CMS grouper crosswalk v07.2.26 and the CDC FY2027 code file.
ICD-10-CM FY2027 · CMS grouper v07.2.26
Codes in family
56
Can lead a claim
39
Cannot lead a claim
17
What CMS assigns to O29
39 of the 56 codes group to MMTA - Other; 17 are assigned no clinical group. None of the 56 is assigned a comorbidity subgroup. 39 of the 56 can lead a claim.
Every code in O29
Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.
| Code | Description | Primary position | Clinical group | Comorbidity subgroup |
|---|---|---|---|---|
| O29.0 Pulmonary complications of anesthesia during pregnancy | ||||
| O29.01 Aspiration pneumonitis due to anesthesia during pregnancy | ||||
| O29.011 | Aspiration pneumonitis due to anesthesia during pregnancy, first trimesterCMS: Aspirat pneumonitis due to anesth during preg, first tri | Can lead a claim | A | None |
| O29.012 | Aspiration pneumonitis due to anesthesia during pregnancy, second trimesterCMS: Aspirat pneumonitis due to anesth during preg, second tri | Can lead a claim | A | None |
| O29.013 | Aspiration pneumonitis due to anesthesia during pregnancy, third trimesterCMS: Aspirat pneumonitis due to anesth during preg, third tri | Can lead a claim | A | None |
| O29.019 | Aspiration pneumonitis due to anesthesia during pregnancy, unspecified trimesterCMS: Aspirat pneumonitis due to anesth during preg, unsp tri | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O29.02 Pressure collapse of lung due to anesthesia during pregnancy | ||||
| O29.021 | Pressure collapse of lung due to anesthesia during pregnancy, first trimesterCMS: Pressr collapse of lung due to anesth during preg, first tri | Can lead a claim | A | None |
| O29.022 | Pressure collapse of lung due to anesthesia during pregnancy, second trimesterCMS: Pressr collapse of lung d/t anesth during preg, second tri | Can lead a claim | A | None |
| O29.023 | Pressure collapse of lung due to anesthesia during pregnancy, third trimesterCMS: Pressr collapse of lung due to anesth during preg, third tri | Can lead a claim | A | None |
| O29.029 | Pressure collapse of lung due to anesthesia during pregnancy, unspecified trimesterCMS: Pressr collapse of lung due to anesth during preg, unsp tri | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O29.09 Other pulmonary complications of anesthesia during pregnancy | ||||
| O29.091 | Other pulmonary complications of anesthesia during pregnancy, first trimesterCMS: Oth pulmonary comp of anesth during preg, first trimester | Can lead a claim | A | None |
| O29.092 | Other pulmonary complications of anesthesia during pregnancy, second trimesterCMS: Oth pulmonary comp of anesth during preg, second trimester | Can lead a claim | A | None |
| O29.093 | Other pulmonary complications of anesthesia during pregnancy, third trimesterCMS: Oth pulmonary comp of anesth during preg, third trimester | Can lead a claim | A | None |
| O29.099 | Other pulmonary complications of anesthesia during pregnancy, unspecified trimesterCMS: Oth pulmonary comp of anesth during preg, unsp trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O29.1 Cardiac complications of anesthesia during pregnancy | ||||
| O29.11 Cardiac arrest due to anesthesia during pregnancy | ||||
| O29.111 | Cardiac arrest due to anesthesia during pregnancy, first trimesterCMS: Cardiac arrest due to anesth during preg, first trimester | Can lead a claim | A | None |
| O29.112 | Cardiac arrest due to anesthesia during pregnancy, second trimesterCMS: Cardiac arrest due to anesth during preg, second trimester | Can lead a claim | A | None |
| O29.113 | Cardiac arrest due to anesthesia during pregnancy, third trimesterCMS: Cardiac arrest due to anesth during preg, third trimester | Can lead a claim | A | None |
| O29.119 | Cardiac arrest due to anesthesia during pregnancy, unspecified trimesterCMS: Cardiac arrest due to anesth during preg, unsp trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O29.12 Cardiac failure due to anesthesia during pregnancy | ||||
| O29.121 | Cardiac failure due to anesthesia during pregnancy, first trimesterCMS: Cardiac failure due to anesth during preg, first trimester | Can lead a claim | A | None |
| O29.122 | Cardiac failure due to anesthesia during pregnancy, second trimesterCMS: Cardiac failure due to anesth during preg, second trimester | Can lead a claim | A | None |
| O29.123 | Cardiac failure due to anesthesia during pregnancy, third trimesterCMS: Cardiac failure due to anesth during preg, third trimester | Can lead a claim | A | None |
| O29.129 | Cardiac failure due to anesthesia during pregnancy, unspecified trimesterCMS: Cardiac failure due to anesth during preg, unsp trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O29.19 Other cardiac complications of anesthesia during pregnancy | ||||
| O29.191 | Other cardiac complications of anesthesia during pregnancy, first trimesterCMS: Oth cardiac comp of anesth during pregnancy, first trimester | Can lead a claim | A | None |
| O29.192 | Other cardiac complications of anesthesia during pregnancy, second trimesterCMS: Oth cardiac comp of anesth during preg, second trimester | Can lead a claim | A | None |
| O29.193 | Other cardiac complications of anesthesia during pregnancy, third trimesterCMS: Oth cardiac comp of anesth during pregnancy, third trimester | Can lead a claim | A | None |
| O29.199 | Other cardiac complications of anesthesia during pregnancy, unspecified trimesterCMS: Oth cardiac comp of anesth during pregnancy, unsp trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O29.2 Central nervous system complications of anesthesia during pregnancy | ||||
| O29.21 Cerebral anoxia due to anesthesia during pregnancy | ||||
| O29.211 | Cerebral anoxia due to anesthesia during pregnancy, first trimesterCMS: Cerebral anoxia due to anesth during preg, first trimester | Can lead a claim | A | None |
| O29.212 | Cerebral anoxia due to anesthesia during pregnancy, second trimesterCMS: Cerebral anoxia due to anesth during preg, second trimester | Can lead a claim | A | None |
| O29.213 | Cerebral anoxia due to anesthesia during pregnancy, third trimesterCMS: Cerebral anoxia due to anesth during preg, third trimester | Can lead a claim | A | None |
| O29.219 | Cerebral anoxia due to anesthesia during pregnancy, unspecified trimesterCMS: Cerebral anoxia due to anesth during preg, unsp trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O29.29 Other central nervous system complications of anesthesia during pregnancy | ||||
| O29.291 | Other central nervous system complications of anesthesia during pregnancy, first trimesterCMS: Oth cnsl comp of anesth during pregnancy, first trimester | Can lead a claim | A | None |
| O29.292 | Other central nervous system complications of anesthesia during pregnancy, second trimesterCMS: Oth cnsl comp of anesth during pregnancy, second trimester | Can lead a claim | A | None |
| O29.293 | Other central nervous system complications of anesthesia during pregnancy, third trimesterCMS: Oth cnsl comp of anesth during pregnancy, third trimester | Can lead a claim | A | None |
| O29.299 | Other central nervous system complications of anesthesia during pregnancy, unspecified trimesterCMS: Oth cnsl comp of anesthesia during pregnancy, unsp trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| 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 trimesterCMS: Toxic reaction to local anesth during preg, first trimester | Can lead a claim | A | None |
| O29.3X2 | Toxic reaction to local anesthesia during pregnancy, second trimesterCMS: Toxic reaction to local anesth during preg, second trimester | Can lead a claim | A | None |
| O29.3X3 | Toxic reaction to local anesthesia during pregnancy, third trimesterCMS: Toxic reaction to local anesth during preg, third trimester | Can lead a claim | A | None |
| O29.3X9 | Toxic reaction to local anesthesia during pregnancy, unspecified trimesterCMS: Toxic reaction to local anesth during preg, unsp trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O29.4 Spinal and epidural anesthesia induced headache during pregnancy | ||||
| O29.40 | Spinal and epidural anesthesia induced headache during pregnancy, unspecified trimesterCMS: Spinal and epidur anesth induce hdache during preg, unsp tri | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O29.41 | Spinal and epidural anesthesia induced headache during pregnancy, first trimesterCMS: Spinal and epidur anesth induce hdache dur preg, first tri | Can lead a claim | A | None |
| O29.42 | Spinal and epidural anesthesia induced headache during pregnancy, second trimesterCMS: Spinal and epidur anesth induce hdache dur preg, second tri | Can lead a claim | A | None |
| O29.43 | Spinal and epidural anesthesia induced headache during pregnancy, third trimesterCMS: Spinal and epidur anesth induce hdache dur preg, third tri | Can lead a claim | A | None |
| 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 trimesterCMS: Oth comp of spinal and epidur anesth during preg, first tri | Can lead a claim | A | None |
| O29.5X2 | Other complications of spinal and epidural anesthesia during pregnancy, second trimesterCMS: Oth comp of spinal and epidur anesth during preg, second tri | Can lead a claim | A | None |
| O29.5X3 | Other complications of spinal and epidural anesthesia during pregnancy, third trimesterCMS: Oth comp of spinal and epidur anesth during preg, third tri | Can lead a claim | A | None |
| O29.5X9 | Other complications of spinal and epidural anesthesia during pregnancy, unspecified trimesterCMS: Oth comp of spinal and epidural anesth during preg, unsp tri | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O29.6 Failed or difficult intubation for anesthesia during pregnancy | ||||
| O29.60 | Failed or difficult intubation for anesthesia during pregnancy, unspecified trimesterCMS: Failed or difficult intubation for anesth dur preg, unsp tri | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O29.61 | Failed or difficult intubation for anesthesia during pregnancy, first trimesterCMS: Fail or difficult intubation for anesth dur preg, first tri | Can lead a claim | A | None |
| O29.62 | Failed or difficult intubation for anesthesia during pregnancy, second trimesterCMS: Fail or difficult intubation for anesth dur preg, second tri | Can lead a claim | A | None |
| O29.63 | Failed or difficult intubation for anesthesia during pregnancy, third trimesterCMS: Fail or difficult intubation for anesth dur preg, third tri | Can lead a claim | A | None |
| 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 trimesterCMS: Oth comp of anesthesia during pregnancy, first trimester | Can lead a claim | A | None |
| O29.8X2 | Other complications of anesthesia during pregnancy, second trimesterCMS: Oth comp of anesthesia during pregnancy, second trimester | Can lead a claim | A | None |
| O29.8X3 | Other complications of anesthesia during pregnancy, third trimesterCMS: Oth comp of anesthesia during pregnancy, third trimester | Can lead a claim | A | None |
| O29.8X9 | Other complications of anesthesia during pregnancy, unspecified trimesterCMS: Oth comp of anesthesia during pregnancy, unsp trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O29.9 Unspecified complication of anesthesia during pregnancy | ||||
| O29.90 | Unspecified complication of anesthesia during pregnancy, unspecified trimesterCMS: Unsp comp of anesthesia during pregnancy, unsp trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O29.91 | Unspecified complication of anesthesia during pregnancy, first trimesterCMS: Unsp comp of anesthesia during pregnancy, first trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O29.92 | Unspecified complication of anesthesia during pregnancy, second trimesterCMS: Unsp comp of anesthesia during pregnancy, second trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O29.93 | Unspecified complication of anesthesia during pregnancy, third trimesterCMS: Unsp comp of anesthesia during pregnancy, third trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
Sources: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01, for the clinical group, comorbidity subgroup, code-first conventions and primary-position flags; CDC NCHS ICD-10-CM FY2027 code descriptions for the family title and code wording. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.
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