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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.