Citric Acid
Label Mnemonic: CITU
Epic Lab Code: LAB2873
Downtime Form: A-1a Miscellaneous Request
Commercial Mail-out Laboratory
5231 RCP
356-8593
Specimen(s):
Specimen Instructions:
Refrigerate during 24 hr collection in plastic container. Submit collection dates and times on requisition; maintain refrigeration for submission to lab.
Collection Medium:
Urine - 24 hour/timed plastic urine container
Minimum:
4 mL of a 24 hr or random urine from refrigerated collection.
Absolute Minimum: 0.5 mL
Delivery Instructions:
Submit specimen to laboratory as soon as possible after collection period is completed.
Turn Around Time:
Within 24 hours upon receipt at reference laboratory
Reference Range:
Citric Acid, Urine
18 years and older: 320 - 1240 mg/d

Citric Acid/Creatinine Ratio, Urine
1 year and older: greater than or equal to 150 mg/g
Methodology:
Quantitative Enzymatic
CPT Code:
82507