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ICD-10-CM Codes
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O00-O9A
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O20-O29
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O29-
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2023 ICD-10-CM Diagnosis Code O29
2023 ICD-10-CM Diagnosis Code O29
Complications of anesthesia during pregnancy
2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
- O29 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
- The 2023 edition of ICD-10-CM O29 became effective on October 1, 2022.
- This is the American ICD-10-CM version of O29 - other international versions of ICD-10 O29 may differ.
Use AdditionalUse Additional Help
Certain conditions have both an underlying etiology and multiple body system manifestations due to the underlying etiology. For such conditions the ICD-10-CM has a coding convention that requires the underlying condition be sequenced first followed by the manifestation. Wherever such a combination exists there is a "use additional code" note at the etiology code, and a "code first" note at the manifestation code. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. In most cases the manifestation codes will have in the code title, "in diseases classified elsewhere." Codes with this title are a component of the etiology/manifestation convention. The code title indicates that it is a manifestation code. "In diseases classified elsewhere" codes are never permitted to be used as first listed or principle diagnosis codes. They must be used in conjunction with an underlying condition code and they must be listed following the underlying condition.
- code, if necessary, to identify the complication
Type 2 ExcludesType 2 Excludes Help
A type 2 excludes note represents "not included here". A type 2 excludes note indicates that the condition excluded is not part of the condition it is excluded from but a patient may have both conditions at the same time. When a type 2 excludes note appears under a code it is acceptable to use both the code (O29) and the excluded code together.
IncludesIncludes Help
"Includes" further defines, or give examples of, the content of the code or category.
- maternal complications arising from the administration of a general, regional or local anesthetic, analgesic or other sedation during pregnancy
The following code(s) above
O29 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
- Applicable To annotations, or
- Code Also annotations, or
- Code First annotations, or
- Excludes1 annotations, or
- Excludes2 annotations, or
- Includes annotations, or
- Note annotations, or
- Use Additional annotations
that may be applicable to
O29:
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
- 2023 (effective 10/1/2022): No change
Code annotations containing back-references to O29:
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Type 1 Excludes: T41, J12, J18, T88.2, J95.4
ICD-10-CM Diagnosis Code T41
Poisoning by, adverse effect of and underdosing of anesthetics and therapeutic gases
2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
Type 1 Excludes- benzodiazepines (T42.4-)
- cocaine (T40.5-)
- complications of anesthesia during pregnancy (O29.-)
- complications of anesthesia during labor and delivery (O74.-)
- complications of anesthesia during the puerperium (O89.-)
- opioids (T40.0-T40.2-)
ICD-10-CM Diagnosis Code J12
Viral pneumonia, not elsewhere classified
2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
Code Also- associated abscess, if applicable (J85.1)
Includes- bronchopneumonia due to viruses other than influenza viruses
Type 1 Excludes- aspiration pneumonia due to anesthesia during labor and delivery (O74.0)
- aspiration pneumonia due to anesthesia during pregnancy (O29)
- aspiration pneumonia due to anesthesia during puerperium (O89.0)
- aspiration pneumonia due to solids and liquids (J69.-)
- aspiration pneumonia NOS (J69.0)
- congenital pneumonia (P23.0)
- congenital rubella pneumonitis (P35.0)
- interstitial pneumonia NOS (J84.9)
- lipid pneumonia (J69.1)
- neonatal aspiration pneumonia (P24.-)
ICD-10-CM Diagnosis Code J18
Pneumonia, unspecified organism
2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
Type 1 Excludes- abscess of lung with pneumonia (J85.1)
- aspiration pneumonia due to anesthesia during labor and delivery (O74.0)
- aspiration pneumonia due to anesthesia during pregnancy (O29)
- aspiration pneumonia due to anesthesia during puerperium (O89.0)
- aspiration pneumonia due to solids and liquids (J69.-)
- aspiration pneumonia NOS (J69.0)
- congenital pneumonia (P23.0)
- drug-induced interstitial lung disorder (J70.2-J70.4)
- interstitial pneumonia NOS (J84.9)
- lipid pneumonia (J69.1)
- neonatal aspiration pneumonia (P24.-)
- pneumonitis due to external agents (J67-J70)
- pneumonitis due to fumes and vapors (J68.0)
- usual interstitial pneumonia (J84.178)
ICD-10-CM Diagnosis Code T88.2
Shock due to anesthesia
2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
Type 1 Excludes- complications of anesthesia (in):
- labor and delivery (O74.-)
- pregnancy (O29.-)
- puerperium (O89.-)
- postprocedural shock NOS (T81.1-)
Use Additional- code for adverse effect, if applicable, to identify drug (T41.- with fifth or sixth character 5)
ICD-10-CM Diagnosis Code J95.4
Chemical pneumonitis due to anesthesia
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
Applicable To- Mendelson's syndrome
- Postprocedural aspiration pneumonia
Type 1 Excludes- aspiration pneumonitis due to anesthesia complicating labor and delivery (O74.0)
- aspiration pneumonitis due to anesthesia complicating pregnancy (O29)
- aspiration pneumonitis due to anesthesia complicating the puerperium (O89.01)
Use Additional- code for adverse effect, if applicable, to identify drug (T41.- with fifth or sixth character 5)
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Type 2 Excludes: T88
ICD-10-CM Diagnosis Code T88
Other complications of surgical and medical care, not elsewhere classified
2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
Type 2 Excludes- complication following infusion, transfusion and therapeutic injection (T80.-)
- complication following procedure NEC (T81.-)
- complications of anesthesia in labor and delivery (O74.-)
- complications of anesthesia in pregnancy (O29.-)
- complications of anesthesia in puerperium (O89.-)
- complications of devices, implants and grafts (T82-T85)
- complications of obstetric surgery and procedure (O75.4)
- dermatitis due to drugs and medicaments (L23.3, L24.4, L25.1, L27.0-L27.1)
- poisoning and toxic effects of drugs and chemicals (T36-T65 with fifth or sixth character 1-4 or 6)
- specified complications classified elsewhere
ICD-10-CM Codes Adjacent To O29
O28 Abnormal findings on antenatal screening of mother
O28.0 Abnormal hematological finding on antenatal screening of mother
O28.1 Abnormal biochemical finding on antenatal screening of mother
O28.2 Abnormal cytological finding on antenatal screening of mother
O28.3 Abnormal ultrasonic finding on antenatal screening of mother
O28.4 Abnormal radiological finding on antenatal screening of mother
O28.5 Abnormal chromosomal and genetic finding on antenatal screening of mother
O28.8 Other abnormal findings on antenatal screening of mother
O28.9 Unspecified abnormal findings on antenatal screening of mother
O29
Complications of anesthesia during pregnancy
O29.0 Pulmonary complications of anesthesia during pregnancy
O29.01 Aspiration pneumonitis due to anesthesia during pregnancy
O29.02 Pressure collapse of lung due to anesthesia during pregnancy
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
