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O34.22

O34.22Maternal care for cesarean scar defect (isthmocele)

Billable / specific codeICD-10-CM

O34.22 is a billable, specific ICD-10-CM code for maternal care for cesarean scar defect (isthmocele). It is valid for submission on a claim.

Other codes that can never be billed with O34.22

These codes carry an Excludes1 note pointing at O34.22. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading O34.22 alone.

Risk adjustment

O34.22 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 O34.22 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 O34.22.

  • Scar, scarringdefect(isthmocele)
  • Cesarean delivery, previous, affecting management of pregnancyisthmocelematernal care for
  • Deliverycesareanisthmocele
  • Pregnancycomplicated bycesarean scar defect(isthmocele)
  • Cesarean delivery, previous, affecting management of pregnancyscardefectmaternal care for
  • Deliverycesareanscardefect(isthmocele)
  • Deliveryvaginal, following previous cesarean deliveryscardefect(isthmocele)
  • Deliverycesareanpreviouscesarean deliveryisthmocele
  • Deliverycesareanscarcesarean deliveryisthmocele
  • Deliverycesareanpreviouscesarean deliveryscardefect(isthmocele)
  • Deliverycesareanscarcesarean deliveryscardefect(isthmocele)

Related codes at this level

Codes that share O34.2. If O34.22 is not quite right, the correct code is usually one of these.

Questions about O34.22

Is O34.22 a billable ICD-10-CM code?
Yes. O34.22 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does O34.22 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.