I10

Essential (primary) hypertension

Cannot Code Together

These codes cannot be used together with the current code, even if both conditions are present.

  • • hypertensive disease complicating pregnancy, childbirth and the puerperium (O10-O11, O13-O16)

Can Code Together

These codes can be used together with the current code if both conditions are documented.

  • • essential (primary) hypertension involving vessels of brain (I60-I69)
  • • essential (primary) hypertension involving vessels of eye (H35.0-)