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O29 ICD-10-CM Code: Complications of anesthesia during pregnancy

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Official description

O29

Complications of anesthesia during pregnancy

ICD-10-CM diagnosis code · United States clinical modification

Where O29 sits

  1. 1

    Chapter 15

    Pregnancy, childbirth and the puerperium (O00-O9A)

  2. 2

    Section

    Other maternal disorders predominantly related to pregnancy (O20-O29)

  3. 3

    Category O29

    Complications of anesthesia during pregnancy

  4. 4

    Code O29

    Complications of anesthesia during pregnancy

Codes under O29

O29 is a non-billable category. Choose the child code that best matches the documented diagnosis.

O29.0Pulmonary complications of anesthesia during pregnancyO29.1Cardiac complications of anesthesia during pregnancyO29.2Central nervous system complications of anesthesia during pregnancyO29.3Toxic reaction to local anesthesia during pregnancyO29.4Spinal and epidural anesthesia induced headache during pregnancyO29.5Other complications of spinal and epidural anesthesia during pregnancyO29.6Failed or difficult intubation for anesthesia during pregnancyO29.8Other complications of anesthesia during pregnancyO29.9Unspecified complication of anesthesia during pregnancy

Notes for this code

Inclusion terms

No inclusion terms are listed for O29.

Code first

No “code first” instruction is listed for O29.

Use additional code

  • code, if necessary, to identify the complication

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for O29.

Excludes2

Conditions not included here that may be reported separately when present.

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

Source and release

Data release
U.S. ICD-10-CM · FY 2027
Effective date
Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Frequently asked questions

What does ICD-10-CM code O29 mean?

O29 is the FY 2027 U.S. ICD-10-CM code for “Complications of anesthesia during pregnancy.”

Is O29 a billable or specific ICD-10-CM code?

No. O29 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is O29 located in ICD-10-CM?

O29 is listed in Chapter 15, Pregnancy, childbirth and the puerperium (O00-O9A), within Other maternal disorders predominantly related to pregnancy (O20-O29) (O20–O29), under category O29, Complications of anesthesia during pregnancy.

What coding notes are listed for O29?

No inclusion terms are listed for O29 in this reference record. No code-first instruction is listed. Additional-code instructions: code, if necessary, to identify the complication. No Excludes1 note is listed. Excludes2 notes: complications of anesthesia during labor and delivery (O74.-); complications of anesthesia during the puerperium (O89.-).