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Test Code LAB387 Cystine Urine Quantitative Random Urine

Department

Send Outs

Reference Lab Test Number

UCYSQ

Collection Requirements

Collect a random urine

Refer To

Warde Medical Laboratory

Primary Collection Container

Sterile Urine Cup

Transport

Urine Frozen

Preferred Transport Temperature

Frozen

Processing

Send 1.8 mL urine in a screw-capped plastic vial.

Stability

Room temperature: Unacceptable

Refrigerated: Unacceptable

Frozen: 60 days

Minimum Testing Volume

0.6 mL

Reference Range

10-100 mg/24 hr

Methodology

Chromatography/Mass Spectrometry

Performed

Tuesday, Thursday

Reported

7-11 Days

CPT Codes

82131

Unacceptable Conditions

pH <2.0; IVP within 48 hours of collection