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Citrate, Urine (Citric Acid, Urine)

Mnemonic:    [U CITRATE]
Name:    Citrate, Urine (Citric Acid, Urine)
Specimen:    4 mL aliquot from a 24 hour or random urine collection. Refrigerate during collection.
Minimum Spec:    0.5 mL
Transport Temp:    Refrigerated
Spec Stability:    Stable 7 days refrigerated.
Ref Lab/Code:    ARUP 0020852
  Method:    Spectrophotometry
Processing Info:    Adjust pH to </= 2 by adding 6M HCl. Samples previously preserved with boric acid are acceptable.

Record total volume, collection time interval, and pH on transport tube and test request form.

Collection instructions for a 24 hour urine sample