ICD-10-CM Code Z98.818

Other dental procedure status

Version 2020 Billable Code Unacceptable Principal Diagnosis POA Exempt

Valid for Submission

Z98.818 is a billable code used to specify a medical diagnosis of other dental procedure status. The code is valid for the year 2020 for the submission of HIPAA-covered transactions. The ICD-10-CM code Z98.818 might also be used to specify conditions or terms like full restoration of crown of tooth needed due to previous endodontic treatment, history of root canal procedure, history of tooth extraction, procedure needed, tooth cavity drilled and filled, tooth restored - fixed bridge, etc The code is exempt from present on admission (POA) reporting for inpatient admissions to general acute care hospitals.

The code Z98.818 describes a circumstance which influences the patient's health status but not a current illness or injury. The code is unacceptable as a principal diagnosis.

ICD-10:Z98.818
Short Description:Other dental procedure status
Long Description:Other dental procedure status

Index to Diseases and Injuries

The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for the code Z98.818 are found in the index:


Code Edits

The Medicare Code Editor (MCE) detects and reports errors in the coding of claims data. The following ICD-10 Code Edits are applicable to this code:

  • Unacceptable principal diagnosis - There are selected codes that describe a circumstance which influences an individual’s health status but not a current illness or injury, or codes that are not specific manifestations but may be due to an underlying cause. These codes are considered unacceptable as a principal diagnosis.

Synonyms

The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

  • Full restoration of crown of tooth needed due to previous endodontic treatment
  • History of root canal procedure
  • History of tooth extraction
  • Procedure needed
  • Tooth cavity drilled and filled
  • Tooth restored - fixed bridge
  • Tooth restored with crown
  • Tooth restored with gold inlay

Present on Admission (POA)

Z98.818 is exempt from POA reporting - The Present on Admission (POA) indicator is used for diagnosis codes included in claims involving inpatient admissions to general acute care hospitals. POA indicators must be reported to CMS on each claim to facilitate the grouping of diagnoses codes into the proper Diagnostic Related Groups (DRG). CMS publishes a listing of specific diagnosis codes that are exempt from the POA reporting requirement. Review other POA exempt codes here .

CMS POA Indicator Options and Definitions
POA Indicator CodePOA Reason for CodeCMS will pay the CC/MCC DRG?
YDiagnosis was present at time of inpatient admission.YES
NDiagnosis was not present at time of inpatient admission.NO
UDocumentation insufficient to determine if the condition was present at the time of inpatient admission.NO
WClinically undetermined - unable to clinically determine whether the condition was present at the time of inpatient admission.YES
1Unreported/Not used - Exempt from POA reporting. NO

Convert Z98.818 to ICD-9

  • V45.84 - Dental restoratn status (Approximate Flag)

Code Classification

  • Factors influencing health status and contact with health services (Z00–Z99)
    • Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)
      • Other postprocedural states (Z98)

Code History

  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016
    (First year ICD-10-CM implemented into the HIPAA code set)
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020