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Lab Test Dictionary

Supersaturation Profile, Random Urine (SUPRA)


Synonyms

Brushite Crystal; Calcium Oxalate Crystal; Hydroxyapatite Crystal; Kidney Stone Disease; Kidney Stone Profile; Sodium Urate Crystal; Stone Risk Profile; Uric Acid Crystals

Specimen Type

Urine

Performing Lab

Mayo Medical Lab


Epic ID

Other Reference Test

Lab Test Days

Monday-Friday

Standard TAT

2-5 Days


Collection Information

Specimen Required

30-40 mL Random Urine

Container Type

Sterile Container

Collection Instructions

Refrigerate specimen after collection. Specimen pH should be between 4.5 and 8 and will stay in this range if kept refrigerated. Specimens with pH above 8 indicate bacterial contamination, and testing will be canceled. Do not attempt to adjust pH as it will adversely affect results.


Processing Information - Lab Use Only

Transport Temperature

Refrigerate-OK/Frozen-OK

Specimen Stability

Room Temp: Unacceptable; Refrigerated: 14 Days; Frozen: 14 Days

Rejection Criteria

pH <4.5 or >8.0

Test Volume Required

40 mL Random Urine

Minimum Test Volume

30 mL Random Urine

Processing Instructions

Collect a random urine specimen and divide the urine into 7 tubes. Refrigerate specimen after collection. Specimen pH should be between 4.5 and 8 and will stay in this range if kept refrigerated. Specimens with pH above 8 indicate bacterial contamination, and testing will be canceled. Do not attempt to adjust pH as it will adversely affect results.


Included Tests

Calcium, Chloride, Citrate excretion, Creatinine, Magnesium, Osmolality, Oxalate, pH, Phosphorus, Potassium, Sodium, Sulfate, Uric acid and Ammonium.


CPT Codes

82310, 82436, 82507, 82570, 83735, 83935, 83945, 83986, 84105, 84133, 84300, 84392, 84560, 82140


Revised

7/19/23

Initials

SA