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O34.29

O34.29Maternal care due to uterine scar from other previous surgery

Billable / specific codeICD-10-CM

O34.29 is a billable, specific ICD-10-CM code for maternal care due to uterine scar from other previous surgery. It is valid for submission on a claim.

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Maternal care due to uterine scar from other transmural uterine incision

Risk adjustment

O34.29 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

How O34.29 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to O34.29.

  • Scar, scarringtransmural uterine, in pregnancy
  • Deliverycesareantransmural uterine scar
  • Scar, scarringuterusin pregnancy
  • Deliverycesareanscartransmural uterine
  • Deliverycesareanscaruterus
  • Deliverycesareanprevioussurgeryuterus

Related codes at this level

Codes that share O34.2. If O34.29 is not quite right, the correct code is usually one of these.

Questions about O34.29

Is O34.29 a billable ICD-10-CM code?
Yes. O34.29 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does O34.29 sit in the tabular list?
Pregnancy, childbirth and the puerperium (O00-O9A), in the block Maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48).
ICD-10-CMFY2026-Apr· effective April 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.