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Test Code LAB112 Alkaline Phosphatase, Plasma or Serum

Reporting Title

Alk Phos

Methodology

Roche Diagnostics: RMH, BH, DH, DHC, DMH, GCMH, GMC, GMH, MGH, MH, OBH, PMH, WECC, HMH, SH

Alkaline phosphatase originates in osteoblasts, hepatocytes, leukocytes, kidney, and other organs. It is elevated with all forms of cholestasis, diseases of the skeletal system, malignant tumors, and normal childhood growth.

Performing Laboratory

OhioHealth Laboratory Services - RMH, BH, DH, DHC, DMH, GCMH, GMC, GMH, HMH, MGH, MH, OBH, PMC, SH, WECC Core Laboratories

Specimen Requirements

Submit only 1 of the following specimens:
 

Preferred:

Serum

Draw blood in a gold-top serum gel tube(s). Spin down within 1 hour of draw and send 1.5 mL of serum refrigerated.

Note:

1.A speckled-top serum gel tube (s) or a plain, red-top tube(s) is also acceptable.

2. Indicate serum on request form.

3. Label specimen appropriately (serum).

 

Alternate: 

Plasma

Draw blood in a mint green-top (heparin) gel tube(s). Spin down within 2 hours of draw and send 1.5 mL of heparinized plasma refrigerated.

Note:  1. Indicate plasma on request form.

2. Label specimen appropriately (plasma).

Sample Stability Information:

Specimen Type Temperature Time
Serum or plasma Refrigerated 7 days
  Ambient  8 hours
  Frozen 6 months

 

Specimen Transport Temperature

Refrigerate/Ambient OK/Frozen OK

Reference Values

Males

0-11 years:  155-420 U/L

12-16 years:  180-700 U/L

17-20 years:  75-270 U/L

21-40 years:  40-140 U/L

≥41 years:  40-150 U/L

Females

0-11 years:  155-420 U/L

12-16 years:  110-630 U/L

17-40 years:  40-140 U/L

≥41 years:  40-150 U/L

Day(s) Test Set Up

Monday through Sunday; Continuously

Test Classification and CPT Coding

84075