O29
Non-Billable

Complications of anesthesia during pregnancy

Non-Billable / Non-Specific Code

What is Complications of anesthesia during pregnancy?

ICD-10-CM O29 is the diagnosis code for Complications of anesthesia during pregnancy. This code falls under the section "Other maternal disorders predominantly related to pregnancy" within Chapter 15 — Pregnancy, childbirth and the puerperium (O00-O9A). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

â„šī¸ Excludes2

Coding Guidelines for O29

â„šī¸ Type 2 Excludes (Code separately if applicable)

The following conditions are not included in O29. If the patient has both, code each condition separately:

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

ICD-10-CM Code Hierarchy

Understanding where O29 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 9 entries
O29.0Pulmonary complications of anesthesia during pregnancyNon-BillableO29.01Aspiration pneumonitis due to anesthesia during pregnancyNon-BillableO29.011Aspiration pneumonitis due to anesthesia during pregnancy, first trimesterBillableO29.012Aspiration pneumonitis due to anesthesia during pregnancy, second trimesterBillableO29.013Aspiration pneumonitis due to anesthesia during pregnancy, third trimesterBillableO29.019Aspiration pneumonitis due to anesthesia during pregnancy, unspecified trimesterBillableO29.02Pressure collapse of lung due to anesthesia during pregnancyNon-BillableO29.021Pressure collapse of lung due to anesthesia during pregnancy, first trimesterBillableO29.022Pressure collapse of lung due to anesthesia during pregnancy, second trimesterBillableO29.023Pressure collapse of lung due to anesthesia during pregnancy, third trimesterBillableO29.029Pressure collapse of lung due to anesthesia during pregnancy, unspecified trimesterBillableO29.09Other pulmonary complications of anesthesia during pregnancyNon-BillableO29.091Other pulmonary complications of anesthesia during pregnancy, first trimesterBillableO29.092Other pulmonary complications of anesthesia during pregnancy, second trimesterBillableO29.093Other pulmonary complications of anesthesia during pregnancy, third trimesterBillableO29.099Other pulmonary complications of anesthesia during pregnancy, unspecified trimesterBillableO29.1Cardiac complications of anesthesia during pregnancyNon-BillableO29.11Cardiac arrest due to anesthesia during pregnancyNon-BillableO29.111Cardiac arrest due to anesthesia during pregnancy, first trimesterBillableO29.112Cardiac arrest due to anesthesia during pregnancy, second trimesterBillableO29.113Cardiac arrest due to anesthesia during pregnancy, third trimesterBillableO29.119Cardiac arrest due to anesthesia during pregnancy, unspecified trimesterBillableO29.12Cardiac failure due to anesthesia during pregnancyNon-BillableO29.121Cardiac failure due to anesthesia during pregnancy, first trimesterBillableO29.122Cardiac failure due to anesthesia during pregnancy, second trimesterBillableO29.123Cardiac failure due to anesthesia during pregnancy, third trimesterBillableO29.129Cardiac failure due to anesthesia during pregnancy, unspecified trimesterBillableO29.19Other cardiac complications of anesthesia during pregnancyNon-BillableO29.191Other cardiac complications of anesthesia during pregnancy, first trimesterBillableO29.192Other cardiac complications of anesthesia during pregnancy, second trimesterBillableO29.193Other cardiac complications of anesthesia during pregnancy, third trimesterBillableO29.199Other cardiac complications of anesthesia during pregnancy, unspecified trimesterBillableO29.2Central nervous system complications of anesthesia during pregnancyNon-BillableO29.21Cerebral anoxia due to anesthesia during pregnancyNon-BillableO29.211Cerebral anoxia due to anesthesia during pregnancy, first trimesterBillableO29.212Cerebral anoxia due to anesthesia during pregnancy, second trimesterBillableO29.213Cerebral anoxia due to anesthesia during pregnancy, third trimesterBillableO29.219Cerebral anoxia due to anesthesia during pregnancy, unspecified trimesterBillableO29.29Other central nervous system complications of anesthesia during pregnancyNon-BillableO29.291Other central nervous system complications of anesthesia during pregnancy, first trimesterBillableO29.292Other central nervous system complications of anesthesia during pregnancy, second trimesterBillableO29.293Other central nervous system complications of anesthesia during pregnancy, third trimesterBillableO29.299Other central nervous system complications of anesthesia during pregnancy, unspecified trimesterBillableO29.3Toxic reaction to local anesthesia during pregnancyNon-BillableO29.3XToxic reaction to local anesthesia during pregnancyNon-BillableO29.3X1Toxic reaction to local anesthesia during pregnancy, first trimesterBillableO29.3X2Toxic reaction to local anesthesia during pregnancy, second trimesterBillableO29.3X3Toxic reaction to local anesthesia during pregnancy, third trimesterBillableO29.3X9Toxic reaction to local anesthesia during pregnancy, unspecified trimesterBillableO29.4Spinal and epidural anesthesia induced headache during pregnancyNon-BillableO29.40Spinal and epidural anesthesia induced headache during pregnancy, unspecified trimesterBillableO29.41Spinal and epidural anesthesia induced headache during pregnancy, first trimesterBillableO29.42Spinal and epidural anesthesia induced headache during pregnancy, second trimesterBillableO29.43Spinal and epidural anesthesia induced headache during pregnancy, third trimesterBillableO29.5Other complications of spinal and epidural anesthesia during pregnancyNon-BillableO29.5XOther complications of spinal and epidural anesthesia during pregnancyNon-BillableO29.5X1Other complications of spinal and epidural anesthesia during pregnancy, first trimesterBillableO29.5X2Other complications of spinal and epidural anesthesia during pregnancy, second trimesterBillableO29.5X3Other complications of spinal and epidural anesthesia during pregnancy, third trimesterBillableO29.5X9Other complications of spinal and epidural anesthesia during pregnancy, unspecified trimesterBillableO29.6Failed or difficult intubation for anesthesia during pregnancyNon-BillableO29.60Failed or difficult intubation for anesthesia during pregnancy, unspecified trimesterBillableO29.61Failed or difficult intubation for anesthesia during pregnancy, first trimesterBillableO29.62Failed or difficult intubation for anesthesia during pregnancy, second trimesterBillableO29.63Failed or difficult intubation for anesthesia during pregnancy, third trimesterBillableO29.8Other complications of anesthesia during pregnancyNon-BillableO29.8XOther complications of anesthesia during pregnancyNon-BillableO29.8X1Other complications of anesthesia during pregnancy, first trimesterBillableO29.8X2Other complications of anesthesia during pregnancy, second trimesterBillableO29.8X3Other complications of anesthesia during pregnancy, third trimesterBillableO29.8X9Other complications of anesthesia during pregnancy, unspecified trimesterBillableO29.9Unspecified complication of anesthesia during pregnancyNon-BillableO29.90Unspecified complication of anesthesia during pregnancy, unspecified trimesterBillableO29.91Unspecified complication of anesthesia during pregnancy, first trimesterBillableO29.92Unspecified complication of anesthesia during pregnancy, second trimesterBillableO29.93Unspecified complication of anesthesia during pregnancy, third trimesterBillable
Related Codes

Frequently Asked Questions

Is O29 a billable ICD-10-CM code?

No, O29 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does O29 mean?

O29 is the ICD-10-CM diagnosis code for "Complications of anesthesia during pregnancy". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What section is O29 in?

O29 is located in Section O20-O29 — "Other maternal disorders predominantly related to pregnancy" within Chapter 15 of the ICD-10-CM Tabular List.

What are the sub-codes of O29?

O29 has 9 sub-code(s) that provide more specific detail: O29.0, O29.1, O29.2, O29.3, O29.4 and more.

When should I use O29?

Use O29 when the patients documented diagnosis matches "Complications of anesthesia during pregnancy" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Complications of anesthesia during pregnancy?

The ICD-10-CM code for Complications of anesthesia during pregnancy is O29.

Can O29 be used for primary diagnosis?

No, O29 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is O29 in?

O29 is in Chapter 15 of the ICD-10-CM Tabular List.

Is O29 valid for 2026?

Yes, O29 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousO28.9Unspecified abnormal findings on antenatal screening of motherNext →O29.0Pulmonary complications of anesthesia during pregnancy
Code Details
O29
Complications of anesthesia during pregnancy
Non-Billable / Non-Specific Code
15 — Pregnancy, childbirth and the puerperium (O00-O9A)
O20-O29 — Other maternal disorders predominantly related to pregnancy
2026 ICD-10-CM