All ICD10 Codes
Z98Not billable, use a more specific code below

Other postprocedural states

In Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99), chapter 21: Factors Influencing Health Status and Contact with Health Services

23 billable codes under Z98: none are a CC or MCC; none map to an HCC.

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Instructional notes

Excludes2: not included here, code separately if applicable

  • aftercare (Z43-Z49, Z51)
  • follow-up medical care (Z08-Z09)
  • Fontan related circulation (I27.84-)
  • postprocedural complication - see Alphabetical Index

Also applies, from Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)

These notes sit on Z77-Z99 and apply to every code under it, including Z98.

Code also: add a code for this too, order depends on the encounter

  • any follow-up examination (Z08-Z09)

Official coding guidelines

From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.

Covers when and how to use Z codes (Z00-Z99) for encounters and supplementary information, including contact, status, history, screening, aftercare, exams, and social determinants of health.

Read Section I.C.21 (page 92)

All codes under Z98

Z98 can't be used on a claim. Pick a billable code below; grey headings group them.

Z98 MS-DRG

As the principal diagnosis, all 23 billable codes under Z98 group to MS-DRG 951 (v44.0).

Other codes that refer to Z98

Notes on these codes point to Z98.

  • Z87.7 Excludes2: other postprocedural states (Z98.-)
  • Z92 Excludes2: postprocedural states (Z98.-)

Code history

Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.