O29.1

Cardiac complications of anesthesia during pregnancy

Header / non-billable

This code does not map to a risk-adjusting HCC in the loaded models.

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

Inherited from O29Complications of anesthesia during pregnancy
Includes

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

Excludes 2

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

Use additional

code, if necessary, to identify the complication

Inherited from O20-O29Other maternal disorders predominantly related to pregnancy
Excludes 2

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)

Inherited from chapter 15Pregnancy, childbirth and the puerperium
Excludes 1

supervision of normal pregnancy (Z34.-)

Excludes 2

mental and behavioral disorders associated with the puerperium (F53.-) obstetrical tetanus (A34) postpartum necrosis of pituitary gland (E23.0) puerperal osteomalacia (M83.0)

Use additional

code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.

Note

CODES FROM THIS CHAPTER ARE FOR USE ONLY ON MATERNAL RECORDS, NEVER ON NEWBORN RECORDS Codes from this chapter are for use for conditions related to or aggravated by the pregnancy, childbirth, or by the puerperium (maternal causes or obstetric causes) Trimesters are counted from the first day of the last menstrual period. They are defined as follows: 1st trimester- less than 14 weeks 0 days 2nd trimester- 14 weeks 0 days to less than 28 weeks 0 days 3rd trimester- 28 weeks 0 days until delivery

Official Guidelines for O29.1

FY 2026 ›

Sections that reference O29.1

Sections whose FY 2026 text names O29.1, its O29 category, or a range containing it — the chapter guidance above is the authoritative source.