ICD-10-CM › O00-O9A › O10-O16 › O codes › O11

O11

Pre-existing hypertension with pre-eclampsia

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

A category header for its whole life, FY2016 onwards. It has never been valid for submission on its own.

Submit one of these 6 more specific codes instead:

  • O11.1 Pre-existing hypertension with pre-eclampsia, first trimester
  • O11.2 Pre-existing hypertension with pre-eclampsia, second trimester
  • O11.3 Pre-existing hypertension with pre-eclampsia, third trimester
  • O11.4 Pre-existing hypertension with pre-eclampsia, complicating childbirth
  • O11.5 Pre-existing hypertension with pre-eclampsia, complicating the puerperium
  • O11.9 Pre-existing hypertension with pre-eclampsia, unspecified trimester

What has happened to this code

Every change the publisher made, from 2012 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

  1. FY2012 Added to the draft code set draft Pre-existing hypertension with pre-eclampsia

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

This code

Use additional code

  • code from O10 to identify the type of hypertension

Includes

  • conditions in O10 complicated by pre-eclampsia
  • pre-eclampsia superimposed pre-existing hypertension

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

Showing 40 of 47 index phrases.