ICD-10-CM › Z00-Z99 › Z40-Z53 › Z codes › Z51

Z51

Encounter for other aftercare and medical care

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:

  • Z51.0 Encounter for antineoplastic radiation therapy
  • Z51.1 Encounter for antineoplastic chemotherapy and immunotherapy (also a header)
  • Z51.5 Encounter for palliative care
  • Z51.6 Encounter for desensitization to allergens
  • Z51.8 Encounter for other specified aftercare (also a header)
  • Z51.A Encounter for sepsis aftercare

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 Encounter for other aftercare
  2. FY2017 Description revised Encounter for other aftercare Encounter for other aftercare and medical care

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

Excludes1 - never coded here

  • follow-up examination after treatment (Z08-Z09)

Code also

  • condition requiring care

Inherited from the Z40-Z53 section Encounters for other specific health care (Z40-Z53)

Excludes2 - not included here

  • follow-up examination for medical surveillance after treatment (Z08-Z09)

Also known as

  • Categories Z40-Z53 are intended for use to indicate a reason for care. They may be used for patients who have already been treated for a disease or injury, but who are receiving aftercare or prophylactic care, or care to consolidate the treatment, or to deal with a residual state