ICD-10-CM › Z00-Z99 › Z40-Z53 › Z51 Encounter for other aftercare and... › Z51.6

Valid for claims with a date of service in the current code year.

Valid FY2017 onwards.

What has happened to this code

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.

Inherited from Z51 Encounter for other aftercare and medical care

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

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.

• Admission
• Adjustment > implanted device
• Admission > desensitization to allergens
• Encounter > desensitization to allergens

Codes in the same group

Code	Description	Status
Z51.0	Encounter for antineoplastic radiation therapy	Valid
Z51.1	Encounter for antineoplastic chemotherapy and immunotherapy	Not billable
Z51.5	Encounter for palliative care	Valid
Z51.8	Encounter for other specified aftercare	Not billable
Z51.A	Encounter for sepsis aftercare	Valid