O29.013 Aspiration pneumonitis due to anesthesia during pregnancy, third trimester

✓ Billable ICD-10-CM 2026
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The ICD-10-CM code for Aspiration pneumonitis due to anesthesia during pregnancy, third trimester is O29.013 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Section
O20-O29: Other maternal disorders predominantly related to pregnancy (O20-O29)
Category O29
77 codes (56 billable)
FY2026 Status
Stable since FY2024

U.S. Hospital Utilization

O29.013 appeared in too few sampled U.S. inpatient stays in 2022 to report a national estimate (AHRQ suppresses counts of 10 or fewer) — a rare inpatient diagnosis.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.

References

Related Codes

Parent Code

O29 Complications of anesthesia during pregnancy

Related Codes in O29

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 Aspiration pneumonitis due to anesthesia during pregnancy, first trimester O29.012 Aspiration pneumonitis due to anesthesia during pregnancy, second trimester O29.019 Aspiration pneumonitis due to anesthesia during pregnancy, unspecified trimester O29.02 Pressure collapse of lung due to anesthesia during pregnancy O29.021 Pressure collapse of lung due to anesthesia during pregnancy, first 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 O29.029 Pressure collapse of lung due to anesthesia during pregnancy, unspecified trimester O29.09 Other pulmonary complications of anesthesia during pregnancy O29.091 Other pulmonary complications of anesthesia during pregnancy, first trimester O29.092 Other pulmonary complications of anesthesia during pregnancy, second trimester O29.093 Other pulmonary complications of anesthesia during pregnancy, third trimester O29.099 Other pulmonary complications of anesthesia during pregnancy, unspecified trimester 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 trimester O29.112 Cardiac arrest due to anesthesia during pregnancy, second trimester
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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