O29.011 – Aspiration pneumonitis due to anesthesia during pregnancy, first trimester

ICD-10-CM 2027 diagnosis code · Other maternal disorders predominantly related to pregnancy

Billable code

ICD-10-CM code O29.011

Code: O29.011 (claims format: O29011)
Description: Aspiration pneumonitis due to anesthesia during pregnancy, first trimester
Short description: Aspirat pneumonitis due to anesth during preg, first tri
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 15. Pregnancy, childbirth and the puerperium (O00-O9A)
Block: O20-O29 Other maternal disorders predominantly related to pregnancy
Parent codes: O29 › O29.0 › O29.01

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

O29 – Complications of anesthesia during pregnancy

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.-)

Use additional code:

code, if necessary, to identify the complication

O29.01 – Aspiration pneumonitis due to anesthesia during pregnancy

Applicable to:

Inhalation of stomach contents or secretions NOS due to anesthesia during pregnancy
Mendelson's syndrome due to anesthesia during pregnancy

Block O20-O29

Excludes2 (not included here):

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)

Related codes in O29.01

Frequently asked questions

What is ICD-10 code O29.011?

O29.011 is the ICD-10-CM code for aspiration pneumonitis due to anesthesia during pregnancy, first trimester, in the block O20-O29 (Other maternal disorders predominantly related to pregnancy).

Is O29.011 a billable code?

Yes. O29.011 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does O29.011 belong to?

It belongs to category O29 – Complications of anesthesia during pregnancy.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.