2020 ICD-10-CM Diagnosis Code O29.01

Aspiration pneumonitis due to anesthesia during pregnancy

    2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
  • O29.01 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2020 edition of ICD-10-CM O29.01 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of O29.01 - other international versions of ICD-10 O29.01 may differ.
Applicable To
  • Inhalation of stomach contents or secretions NOS due to anesthesia during pregnancy
  • Mendelson's syndrome due to anesthesia during pregnancy
The following code(s) above O29.01 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 O29.01:
  • O00-O9A
    2020 ICD-10-CM Range O00-O9A

    Pregnancy, childbirth and the puerperium

    Note
    • CODES FROM THIS CHAPTER ARE FOR USE ONLY ON MATERNAL RECORDS, NEVER ON NEWBORN RECORDS
    • Codes from this chapter are for use for conditions related to or aggravated by the pregnancy, childbirth, or by the puerperium (maternal causes or obstetric causes)
    • Trimesters are counted from the first day of the last menstrual period. They are defined as follows:
    • 1st trimester- less than 14 weeks 0 days
    • 2nd trimester- 14 weeks 0 days to less than 28 weeks 0 days
    • 3rd trimester- 28 weeks 0 days until delivery
    Type 1 Excludes
    • supervision of normal pregnancy (Z34.-)
    Type 2 Excludes
    • mental and behavioral disorders associated with the puerperium (F53.-)
    • obstetrical tetanus (A34)
    • postpartum necrosis of pituitary gland (E23.0)
    • puerperal osteomalacia (M83.0)
    Use Additional
    • code from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
    Pregnancy, childbirth and the puerperium
  • O20-O29
    2020 ICD-10-CM Range O20-O29

    Other maternal disorders predominantly related to pregnancy

    Type 2 Excludes
    • maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48)
    • maternal diseases classifiable elsewhere but complicating pregnancy, labor and delivery, and the puerperium (O98-O99)
    Other maternal disorders predominantly related to pregnancy
  • O29
    ICD-10-CM Diagnosis Code O29

    Complications of anesthesia during pregnancy

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Includes
    • maternal complications arising from the administration of a general, regional or local anesthetic, analgesic or other sedation during pregnancy
    Type 2 Excludes
    • complications of anesthesia during labor and delivery (O74.-)
    • complications of anesthesia during the puerperium (O89.-)
    Use Additional
    • code, if necessary, to identify the complication
    Complications of anesthesia during pregnancy
Code History
  • 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

Diagnosis Index entries containing back-references to O29.01:
  • Inhalation
  • Mendelson's syndrome (due to anesthesia) J95.4
    ICD-10-CM Diagnosis Code J95.4

    Chemical pneumonitis due to anesthesia

      2016 2017 2018 2019 2020 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)
    • in pregnancy O29.01-
  • Pneumonitis (acute) (primary) - see also Pneumonia
    • aspiration J69.0
      ICD-10-CM Diagnosis Code J69.0

      Pneumonitis due to inhalation of food and vomit

        2016 2017 2018 2019 2020 Billable/Specific Code
      Applicable To
      • Aspiration pneumonia NOS
      • Aspiration pneumonia (due to) food (regurgitated)
      • Aspiration pneumonia (due to) gastric secretions
      • Aspiration pneumonia (due to) milk
      • Aspiration pneumonia (due to) vomit
      Code Also
      • any associated foreign body in respiratory tract (T17.-)
      Type 1 Excludes
      • chemical pneumonitis due to anesthesia (J95.4)
      • obstetric aspiration pneumonitis (O74.0)
      • due to
        • anesthesia J95.4
          ICD-10-CM Diagnosis Code J95.4

          Chemical pneumonitis due to anesthesia

            2016 2017 2018 2019 2020 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)
    • postanesthetic J95.4
      ICD-10-CM Diagnosis Code J95.4

      Chemical pneumonitis due to anesthesia

        2016 2017 2018 2019 2020 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)
      • in pregnancy O29.01-
  • Pregnancy (single) (uterine) - see also Delivery and Puerperal
    • complicated by (care of) (management affected by)
      • adverse effect anesthesia O29.9-
        ICD-10-CM Diagnosis Code O29.9-

        Unspecified complication of anesthesia during pregnancy

          2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
        • aspiration pneumonitis O29.01-
        • inhalation of stomach contents or secretions NOS O29.01-
        • Mendelson's syndrome O29.01-

ICD-10-CM Codes Adjacent To O29.01
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
O29.011 …… first trimester
O29.012 …… second trimester
O29.013 …… third trimester
O29.019 …… unspecified trimester
O29.02 Pressure collapse of lung due to anesthesia during pregnancy
O29.021 …… first trimester
O29.022 …… second trimester
O29.023 …… third trimester
O29.029 …… unspecified trimester
O29.09 Other pulmonary complications of anesthesia during pregnancy

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.