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Test Code LAB112 Alkaline Phosphatase

Specimen Requirement

1.0 mL Serum or Lithium Heparin plasma; SST and PST acceptable.

Specimen Stability

7 days at 20-25° C

7 days at 2-8° C

2 months at -20° C

Testing Schedule

Daily

Reference Range

50-136 U/L (age 20 yrs and over)

80-455 U/L (age 10 to <20 yrs)

135-520 U/L (age 2 to <10 yrs)

135-650 U/L (age 0 to <2 yrs)

Testing Department

Chemistry

Method

Para-nitrophenyl Phosphate

CPT Code

84075

Additional Testing Locations

This test is also performed daily at the following Altru Clinics:

  • Crookston
  • Devils Lake

Please contact appropriate lab location for specific test information, as methodology varies by site.

Outpatient Turnaround Time

24 hours after receipt

Inpatient STAT Turnaround Time

45 minutes after receipt

Inpatient Routine Turnaround Time

4 hours after receipt