O10.413
O10.413 — Pre-existing secondary hypertension complicating pregnancy, third trimester
Billable / specific codeICD-10-CM
O10.413 is a billable, specific ICD-10-CM code for pre-existing secondary hypertension complicating pregnancy, third trimester. It is valid for submission on a claim.
Risk adjustment
O10.413 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
O10.413 is named in 2 Medicare coverage policies — 2 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A57189Billing and Coding: Serum Magnesium
- A57326Billing and Coding: Electrocardiograms
Related codes at this level
Codes that share O10.41. If O10.413 is not quite right, the correct code is usually one of these.
Questions about O10.413
- Is O10.413 a billable ICD-10-CM code?
- Yes. O10.413 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does O10.413 sit in the tabular list?
- Pregnancy, childbirth and the puerperium (O00-O9A), in the block Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium (O10-O16).