MCMedicalCodingSoftware
O29.3

O29.3: Toxic reaction to local anesthesia during pregnancy

Non-billable headerICD-10-CM

O29.3 is a non-billable header ICD-10-CM code for toxic reaction to local anesthesia during pregnancy. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes2 inherited from the categories above O29.3

Not part of this code, but both may be coded when both are present.

Written on O29: Complications of anesthesia during pregnancy

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

Other codes that can never be billed with O29.3

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • T41Poisoning by, adverse effect of and underdosing of anesthetics and therapeutic gases
  • T88.2Shock due to anesthesia
  • T88.2XXAShock due to anesthesia, initial encounter
  • T88.2XXDShock due to anesthesia, subsequent encounter
  • T88.2XXSShock due to anesthesia, sequela

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead O29.3

1 child code. Green means billable.

Other codes under O29

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.