Emergency: 119
AMDA-IMIC

I1A..0 Resistant hypertension

Billable

← I1A — Other hypertension Chapter 9: I00-I99

Includes

  • Apparent treatment resistant hypertension
  • Treatment resistant hypertension
  • True resistant hypertension

Code First

  • specific type of existing hypertension, if known, such as:
  • essential hypertension (I10)
  • secondary hypertension (I15.-)

Last reviewed: September 2026