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Lab Test Dictionary

Cystine Assay (Cystinosis Diagnosis or Monitoring)


Synonyms

Cystinosis, Cysteine

Specimen Type

Whole Blood

Performing Lab

UCSD Biochemical Genetics


Epic ID

LAB07742

Lab Test Days

Monday-Friday

Standard TAT

10-14 Days


Collection Information

Specimen Required

8 mL Whole Blood

Container Type

Yellow (ACD), Soultion A

Collection Instructions

Specimen must arrive at UCSD Biochemical Genetics/Cystine Determination Lab for processing within 24 hours of collection. Please collect and send specimen Monday-Thursday and Friday before 1200 ONLY. UCSD Biochemical Genetics/CDL are closed on the weekends and holidays. Collect a ACD (yellow-top) Soluction A ONLY. After specimen is collected submit to laboratory immediately. Specimen must be refrigerated within 1 HOUR of collection.


Processing Information - Lab Use Only

Transport Temperature

Refrigerate-Only

Specimen Stability

Room Temp: 1 Hour; Refrigerated: 24 Hours; Frozen: Unacceptable

Test Volume Required

8 mL Whole Blood

Minimum Test Volume

8 mL Whole Blood

Processing Instructions

Specimen must be refrigerated within 1 HOUR of collection. Specimen must arrive at UCSD Biochemical Genetics/Cystine Determination Lab for processing within 24 hours of collection. Please collect and ship Monday-Thursday and Friday before 1200 ONLY. UCSD Biochemical Genetics/CDL are closed on the weekends and holidays. Place sample in a Styrofoam mailer or wrap with other absorbent material and place sample into biohazard bag and seal. Place completed UCSD Biochemical Genetics requisition into outer puch of biohazard bag. IMPORTANT: Must use completely frozen gel packs or wet ice (preferred) to ensure sample stays at refrigerated temperature for transport. DO NOT FREEZE BLOOD. Call Dynamex courier for pick up if route courier has already picked up for the day.


Included Tests

Used to be called Granulocyte intracellular cysteine


Comments

UCSD Biochemical Genetics business hours: Monday-Friday 0800-1630. If after 1630 Monday-Friday, call UCSD Biochemical Genetics to see if someone is still there to receive sample delivery. No Authorization required. Ok to draw on inpatients and outpatients.


CPT Codes

83789, 88240


Revised

11-16-16

Initials

SL