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LABORATORY TEST DIRECTORY

Cystine Quantitative, Urine

CPT Code(s): 82131
Specimen Required: Patient Preparation:
Collect:24-hour or other timed urine collection. Avoid dilute urine when possible. Refrigerate 24-hour/timed specimens during collection.
Specimen Preparation:Mix urine well. Transfer 4 mL aliquot urine to RDL Standard Transport Tubes and freeze immediately. (Min: 3 mL) Record total volume and collection time interval on transport tube and test request form.
Storage/Transport Temperature:CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.
Stability:Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 1 month
New York DOH Approval Status: This test is New York DOH approved.
Aliases:
  • Urine cystine