Use Additional code to identify:
exposure to environmental tobacco smoke (Z77.22)
history of tobacco dependence (Z87.891)
occupational exposure to environmental tobacco smoke (Z57.31)
tobacco dependence (F17.-)
tobacco use (Z72.0)

Excludes1

  • neonatal hypertension (P29.2)
  • primary pulmonary hypertension (I27.0)

Excludes2

  • hypertensive disease complicating pregnancy, childbirth and the puerperium (O10-O11, O13-O16)
  1. I10 Essential (primary) hypertension

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.