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Laboratory Test Directory

Microalbumin, Urine (Updated)

Components

Name Method Department Units
Microalbumin, Urine Package Quantitative Immunoturbidimetry
Spectrophotometric
Core Lab, Chemistry, Routine mg/dL

Battery Members

Urine microalbumin, urine creatinine, albumin/creatinine ratio, albumin excretion rate

Specimen Requirements

Urine

Container Type Container Size Specimen Volume
Preferred

Sterile container

N/A 10 mL
Stability

Room temperature - 24 hour(s)
Refrigerated - 7 day(s)

Specimen Preparation

  • Seal collection container tightly after collection
  • Do not freeze
  • Transport to laboratory as soon as possible

Urine, 24 hours

Container Type Container Size Specimen Volume
Preferred

24 hour urine container

N/A
Stability

Refrigerated - 72 hour(s)

Specimen Preparation

  • Ship entire specimen to laboratory refrigerated
  • Do not freeze
  • Refrigerate during collection
  • Seal collection container tightly after collection
  • Urine collection: Note start and stop dates and times on requisition

Reasons for Rejection

  • Frozen specimen
  • Bacterial contamination
  • Wrong type of specimen
  • Collected in diaper or cotton balls
  • Contaminated with blood
  • Not received within specified time frame
  • Presence of red blood cells
  • Use of urine preservative

Comments

Testing must be performed within 72 hours of collection. For timed collections note start and end time of collection.

CPT Code

  • 82043