Skip to content

O10.42

Billable

Pre-existing secondary hypertension complicating childbirth

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

A woman with pre-existing secondary high blood pressure caused by another medical condition who is actively in labor or delivering a baby.

Coding Tips

  • Document the underlying cause of the secondary hypertension in addition to this code
  • Use with appropriate delivery codes to fully describe the obstetric encounter

Code Hierarchy

Open O10.42 in the Interactive Encoder

See full code details, AI coding tips, HCC mappings, and related codes in our interactive encoder. Start your 14-day Pro trial — no credit card required.