ICD-10 Diagnosis Code Z49.31

Encounter for adequacy testing for hemodialysis

Diagnosis Code Z49.31

ICD-10: Z49.31
Short Description: Encounter for adequacy testing for hemodialysis
Long Description: Encounter for adequacy testing for hemodialysis
This is the 2017 version of the ICD-10-CM diagnosis code Z49.31

Code Classification
  • Factors influencing health status and contact with health services
    • Encounters for other specific health care (Z40-Z53)
      • Encounter for care involving renal dialysis (Z49)

Information for Medical Professionals

Code Edits
The following edits are applicable to this code:
Unacceptable principal diagnosis Additional informationCallout TooltipUnacceptable 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.

Convert to ICD-9 Additional informationCallout TooltipGeneral Equivalence Map
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.

Present on Admission (POA) Additional informationCallout TooltipPresent on Admission
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.

The code Z49.31 is exempt from POA reporting.

  • Adequacy of hemodialysis
  • Hemodialysis access site patent
  • Hemodialysis finding
  • Increase in hemodialysis blood flow
  • Increase in hemodialysis dialyzer size
  • Increase in hemodialysis session time

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