O22.33
O22.33 — Deep phlebothrombosis in pregnancy, third trimester
Billable / specific codeICD-10-CM
O22.33 is a billable, specific ICD-10-CM code for deep phlebothrombosis in pregnancy, third trimester. It is valid for submission on a claim.
Risk adjustment
O22.33 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.
Medicare coverage
O22.33 is named in 5 Medicare coverage policies — 5 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A56697Billing and Coding: Non-Invasive Vascular Studies
- A56697Billing and Coding: Non-Invasive Vascular Studies
- A56758Billing and Coding: Non-Invasive Vascular Studies
- A56758Billing and Coding: Non-Invasive Vascular Studies
Related codes at this level
Codes that share O22.3. If O22.33 is not quite right, the correct code is usually one of these.
Questions about O22.33
- Is O22.33 a billable ICD-10-CM code?
- Yes. O22.33 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does O22.33 sit in the tabular list?
- Pregnancy, childbirth and the puerperium (O00-O9A), in the block Other maternal disorders predominantly related to pregnancy (O20-O29).