Z49.31 – Encounter for adequacy testing for hemodialysis

ICD-10-CM 2027 diagnosis code · Encounters for other specific health care

Billable code

ICD-10-CM code Z49.31
Code
Z49.31 (claims format: Z4931)
Description
Encounter for adequacy testing for hemodialysis
Billable
Yes – valid for HIPAA-covered transactions
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
21. Factors influencing health status and contact with health services (Z00-Z99)
Block
Z40-Z53 Encounters for other specific health care
Parent codes
Z49 › Z49.3

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Z49 – Encounter for care involving renal dialysis

Code also:
  • associated end stage renal disease (N18.6)

Block Z40-Z53

Applicable to:
  • 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
Excludes2 (not included here):
  • follow-up examination for medical surveillance after treatment (Z08-Z09)

Index terms for Z49.31

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in Z49.3

Frequently asked questions

What is ICD-10 code Z49.31?

Z49.31 is the ICD-10-CM code for encounter for adequacy testing for hemodialysis, in the block Z40-Z53 (Encounters for other specific health care).

Is Z49.31 a billable code?

Yes. Z49.31 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does Z49.31 belong to?

It belongs to category Z49 – Encounter for care involving renal dialysis.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.