Newcastle Laboratories

Alkaline phosphatase, serum

Clinical Background:

Alkaline phosphatases are a group of enzymes which hydrolyse phosphates at an alkaline pH. They are found in bone, liver, kidney, intestinal wall, lactating mammary glands and placenta.

Alkaline phosphatases are a group of enzymes which hydrolyse phosphates at an alkaline pH. They are found in bone, liver, kidney, intestinal wall, lactating mammary glands and placenta.

Test Details

  • Discipline:

    Biochemistry

    Biochemistry

  • Specimen Container Adult:

    Serum (SST or plain tube)

    Serum (SST or plain tube)

  • Specimen Container Paediatric:

    Serum (SST or plain tube)

    Serum (SST or plain tube)

  • Minimum Volume Adult:

    1 mL blood

    1 mL blood

  • Minimum Volume Paediatric:

    0.5 mL blood

    0.5 mL blood

  • Special Requirement:

    Patient should be fasted.

    Patient should be fasted.

  • Sample Stability:

    Unseparated sample: 4 days

    Separated sample:

    - 7 days at 15-25C

    - 7 days at 4ºC

    - 2 months at -20C

    Unseparated sample: 4 days

    Separated sample:

    - 7 days at 15-25C

    - 7 days at 4ºC

    - 2 months at -20C

  • Reference Ranges:

    Male:

    Up to 14 days:                    83 – 248 IU/L

    Up to 1 year:                      122 – 469 IU/L

    Up to 10 years:                  142 – 335 IU/L

    Up to 13 years:                  129 – 417 IU...

    Male:

    Up to 14 days:                    83 – 248 IU/L

    Up to 1 year:                      122 – 469 IU/L

    Up to 10 years:                  142 – 335 IU/L

    Up to 13 years:                  129 – 417 IU/L

    Up to 15 years:                 116 – 468 IU/L

    Up to 17 years:                   82 – 331 IU/L

    Up to 18 years:                    40 – 250 IU/L

    18 years and over:             30 – 130 IU/L

     

    Female:

    Up to 14 days:                    83 – 248 IU/L

    Up to 1 year:                      122 – 469 IU/L

    Up to 10 years:                  142 – 335 IU/L

    Up to 13 years:                  129 – 417 IU/L

    Up to 15 years:                   57 – 254 IU/L

    Up to 17 years:                   50 – 117 IU/L

    17 years and over:             30 – 130 IU/L

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  • Factors Affecting Result:

    Do not used EDTA or fluoride oxalate tubes

    Do not used EDTA or fluoride oxalate tubes

  • Other Info:

    Lithium heparin plasma sample also acceptable

    Lithium heparin plasma sample also acceptable

  • Routine Contact Name:

    Duty biochemist

  • Routine Telephone:

    Freeman: 0191 244 8889
    RVI: 0191 282 9719

    Freeman: 0191 244 8889
    RVI: 0191 282 9719

  • Routine Email:

Availability:

24/7, analysed at RVI and Freeman

Turn Around:

Urgent: within 1 hour

Non-urgent: within 4 hours

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