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Test Code NEPH Nephrocheck AKIRISK Score

Specimen Type

Urine

Container/Tube

Urine collection cup without additives or preservatives

Offsite Collection Instructions

Collect a fresh urine sample of approximately 10 mL in a
clean
specimen collection cup without additives or preservatives.

For patients with indwelling bladder catheters, the
collection
bag should be first emptied and then a fresh sample of urine
should
be collected. Alternatively, the sample may be collected from
an
urometer if present.

Centrifuge sample within 1 hour of collection, transfer
supernatant to a clean transort container and send refrigerated
at
(2 – 8C).

Turnaround Time

1 hour

Test Includes

Calculation of AKIRISK Score in Urine

Preferred Volume

10 mL

UCMC Collection Instructions

Collect a fresh urine sample of approximately 10 mL in a
clean
specimen collection cup without additives or preservatives.

For patients with indwelling bladder catheters, the
collection
bag should be first emptied and then a fresh sample of urine
should
be collected. Alternatively, the sample may be collected from
an
urometer if present.

Centrifuge sample within 1 hour of collection, transfer
supernatant to a clean transort container and send refrigerated
at
(2 – 8C).

Test Usage

The Astute Medical NEPHROCHECK ® Test System is intended to
be used in conjunction with clincal evaluation in ICU patients who
currently have, of have had within the past 24 hours,m acute
cardiovascular and/or respiratory compromise as an aid in the risk
assessment for moderate to severe AKI in the next 12 hours of
patient assessment.

Additional Information

Interpretations:

See the attached document under the “Resources”
heading in the sidebar for test result interpretation and treatment
plan.

 

STAT Turnaround Time

1 hour

Critical Results

None

Fee Code

None

DAY(S) AND TIME(S) PERFORMED

24 hours, 7 days a week including holidays.

STAT DAY(S) AND TIME(S) PERFORMED

Available

CPT

None

Method Name

The NEPHROCHECK ® Test is a single-use cartridge comprised
of assays for two protein biomarkers, TIMP-2 and IGFBP-7, on a
membrane test strip enclosed in a plastic housing that employs a
sandwich immunoassay technique using the ASTUTE140® Meter that
generates a numberical AKIRISK™ Score as the result.

Reference Values

See the attached DOCUMENT for
treatment plan under the
“Resources” header in the sidebar.

Specimen Minimum Volume

1 mL

Reject Due To

Urine samples delivered to the chemistry department more than 1
hour after collection will be rejected.

Urine samples collected with additives or perservatives will be
rejected.

Synonyms

AKIRISK™ Score

Test Limitations

Test is intended for use in patients 21 yrs of age or older.

Stability: Room Temp

5 hours

Stability: Refrigerated

20 hours