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Test Code LAB11184 Aminolevulinic Acid (ALA) - Urine

Department

Send Outs

Reference Lab Test Number

UALAA

Collection Requirements

Patient Preparation: Refrain from alcohol consumption 24 hours prior to collection. Collect 24 hour urine, keep refrigerated during collection.

Alternate Specimen:

Random urine

Primary Collection Container

24 HR Urine container

Alternate Collection Container

Sterile Urine Cup

Yellow Urine Vacutainer (No Additive)

Transport

Urine, Refrigerated

Preferred Transport Temperature

Refrigerated

Processing

Mix well and send 4.0 mL urine in an screw-capped plastic vial. Record total volume on test requisition and specimen label.

Stability

Ambient: Unacceptable

Refrigerated: 4 Days

Frozen: 1 Month

Minimum Testing Volume

1.2 mL

Reference Range

ALA, urine: 0-35 µmol/L

ALA, urine (24 hour): 0-60 µmol/d

Creatinine:

Age Male Female

3-8 yrs. 140-700 mg/d 140-700 mg/d

9-12 yrs. 300-1300 mg/d 300-1300 mg/d

13-17 yrs. 500-2300 mg/d 400-1600 mg/d

18-50 yrs. 1000-2500 mg/d 700-1600 mg/d

51-80 yrs 800-2100 mg/d 500-1400 mg/d

>80 yrs. 600-200 mg/d 400-1300 mg/d

Methodology

Quantitative Ion Exchange Chromatography/Spectrophotometry

Performed

Monday, Wednesday, and Friday

Reported

5 – 7 Days

CPT Codes

82135