Ordering Recommendation

Mnemonic

CRT-FL

Methodology

Spectrophotometry

Performed

Sun-Sat

Reported

Within 24 hours

New York DOH Approval Status

This test is New York DOH approved.

Specimen Required

Patient Preparation
Collect

Peritoneal fluid.

Specimen Preparation

Centrifuge and separate to remove cellular material. Transport 1 mL body fluid. (Min: 0.2 mL)

Storage/Transport Temperature

Refrigerated.

Unacceptable Conditions

Specimens other that those listed.

Remarks

Indicate source on the test request form.

Stability

Ambient: 5 days; Refrigerated: 1 month; Frozen: 6 months

Reference Interval

Not established

Interpretive Data

Reference ranges for this assay have not been established for body fluid testing. Results should be interpreted in comparison to the concentration in blood and in conjunction with clinical context.

This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.

Compliance Category

Laboratory Developed Test (LDT)

Note

Hotline History

N/A

CPT Codes

82570

Components

Component Test Code* Component Chart Name LOINC
0020509 Creatinine, Body Fluid 12190-5
0097114 SR Source 31208-2
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.

Aliases

  • Creatinine BF
Creatinine, Body Fluid