ICD-10/O29

O29 ICD 2026 Code: Complications of anesthesia during pregnancy

O29 is the authoritative medical code for Complications of anesthesia during pregnancy. This classification is used in medical billing and clinical recording to specify the clinical criteria for complications of anesthesia during pregnancy (ICD-10-CM O29), ensuring healthcare documentation aligns with 2026 federal coding standards.

Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.

Official Registry Overview & Definition

Complications of anesthesia during pregnancy is a non-billable ICD-10-CM category code O29. A more specific billable subcode must be selected for claims submission. Includes: maternal complications arising from the administration of a general, regional or local anesthetic, analgesic or other sedation during pregnancy. Excludes2 (not included here): complications of anesthesia during labor and delivery O74.-; complications of anesthesia during the puerperium O89.-; 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. Use additional code: code, if necessary, to identify the complication.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for O29 in the official ICD-10-CM tabular list.

Includes

Conditions the official ICD-10-CM tabular list includes under this code.

  • maternal complications arising from the administration of a general, regional or local anesthetic, analgesic or other sedation during pregnancy

Excludes2 — Not Included Here

Conditions not covered by this code, but which may be reported alongside it when both are present.

  • complications of anesthesia during labor and delivery O74.-
  • complications of anesthesia during the puerperium O89.-
  • 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

Use Additional Code

Supplementary codes the tabular list directs you to add.

  • code, if necessary, to identify the complication

Frequently Asked Questions (FAQ) & Clinical Guidance

Can O29 be billed directly?

No. O29 (Complications of anesthesia during pregnancy) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.

Can O29 be reported alongside related conditions?

Per official ICD-10-CM Excludes2 instructions, O29 and the following are not considered part of each other and may both be reported when both conditions are present: complications of anesthesia during labor and delivery (O74.-); complications of anesthesia during the puerperium (O89.-); 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).

Is an additional code needed with O29?

Use additional code(s) to specify: code, if necessary, to identify the complication.

Nearest Codes in This Family

Official ICD-10-CM classifications closest to O29 in its code family, with their registry titles.

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

View all 40 codes in the O29.0 family