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        Alkaline Phosphatase (ALP) Isoenzymes

        Clinical Biochemistry

        Sample and container requirements

        Serum (samples containing EDTA, Citrate or Oxalate are NOT suitable)

        Minimum volume required

        2 mL serum

        Special requirements

        Perform total ALP analysis before sending to referral laboratory and record the result on the referral form sent with the sample. Test will be rejected by referral lab if total serum ALP is <200 U/L.

        Patient preparation

        None

        Sample viability

        Turnaround time

        14 days

        Reference range

        Please refer to report for reference ranges.

        Clinical guidance

        Please follow the link below to the referral laboratory website for more information: https://view.officeapps.live.com/op/view.aspx?src=Please follow the link below to the referral laboratory website for more information: https%3A%2F%2Fwww.nuh.nhs.uk%2Fdownload%2Fin2057-blood-sciences-service-directorydocx.docx%3Fver%3D41508%26doc%3Ddocm93jijm4n17034.docx&wdOrigin=BROWSELINK

        Notes

        Sent to Nottingham City Hospital

        Images to go here

        This information was last updated on 19 August 2026