O10.41
Header — not billablePre-existing secondary hypertension complicating pregnancy
The ICD-10 code for pre-existing secondary hypertension complicating pregnancy is O10.41.
O10.41 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 4 more specific codes below.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under O10.41
- O10.411Pre-existing secondary hypertension complicating pregnancy, first trimester
- O10.412Pre-existing secondary hypertension complicating pregnancy, second trimester
- O10.413Pre-existing secondary hypertension complicating pregnancy, third trimester
- O10.419Pre-existing secondary hypertension complicating pregnancy, unspecified trimester
Related codes in this category
- O10.42Pre-existing secondary hypertension complicating childbirth
- O10.43Pre-existing secondary hypertension complicating the puerperium
- O10.41Pre-existing secondary hypertension complicating pregnancynon-billable header