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Vanderbilt Pathology Laboratory Services

Test Directory



ALKALINE PHOSPHATASE BLOOD (AKP)

Department: Chemistry
Test Synonym(s): AKP
CPT Codes: 84075
Methodology: Photometric
Reference Range: CALIPER 0 to 14 days: 90-273 U/L; 15 days to <1 yr: 134-518 U/L; 1 yr to <10yrs: 156-369 U/L; 10 to <13 yrs: 141-460 U/L; 13 yrs to <15 yrs: F 62/ M 127 - F 280/ M 517 U/L; 15 yrs to <17 yrs: F 54/ M 89 - F 128/ M 365 U/L; 17 yrs- <19 yrs: F 48/ M 59 - F 95/ M 164 U/L; ABBOTT 19 yrs to 150yrs: 40-150U/L (Pediatric Reference Ranges only verified for serum, see CALIPER Study at CaliperDatabase.com)
Tube Type: Light green PST (Lithium Heparin with gel) tube - 4.5 mL
Specimen: Plasma
Pediatric Requirements: 1 light green top microtainer
Volume: 1 mL plasma
Minimum Volume: 0.3 mL plasma
Temperature: Separate within one hour and store/ship at ambient temperature until delivery
Stability: 20-25 C: 7 days; 2-8 C: 7 days; -20 C: 2 months
Reasons for Rejection: Hemolysis, Lipemia, QNS, improper collection and sample handling
Days Performed: Daily
Times Performed: Continuous
TAT: STAT: 1 hour; ROUTINE: 2 hours after receiving in lab
Special Instructions: Interferences from Medications or endogenous substances may affect results

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