Test Code LAB741 Alkaline Phosphatase, Total and Isoenzymes, Serum
Additional Codes
Ordering Mnemonic | Mayo Test ID |
---|---|
ALKPHOSISO | ALKI |
45041
Reporting Name
Alkaline Phosphatase, Tot and Iso,SUseful For
Diagnosis and treatment of liver, bone, intestinal, and parathyroid diseases
Determining the tissue source of increased alkaline phosphatase (ALP) activity in serum
Differentiating between liver and bone sources of elevated ALP
Profile Information
Test ID | Reporting Name | Available Separately | Always Performed |
---|---|---|---|
ALP | Alkaline Phosphatase, S | Yes | Yes |
ALKE | Alkaline Phosphatase Isoenzymes, S | No | Yes |
Performing Laboratory
Mayo Clinic Laboratories in RochesterSpecimen Type
SerumNecessary Information
Patient's age and sex are required.
Specimen Required
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 1 mL, divided
Collection Instructions: Centrifuge and aliquot serum into 2 tubes, each containing 0.5 mL
Specimen Minimum Volume
0.5 mL divided into 2 tubes each containing 0.25 mL
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Serum | Frozen (preferred) | 14 days | |
Ambient | 7 days | ||
Refrigerated | 7 days |
Reference Values
ALKALINE PHOSPHATASE
Males
0-14 days: 83-248 U/L
15 days-<1 year: 122-469 U/L
1-<10 years: 142-335 U/L
10-<13 years: 129-417 U/L
13-<15 years: 116-468 U/L
15-<17 years: 82-331 U/L
17-<19 years: 55-149 U/L
≥19 years: 40-129 U/L
Females
0-14 days: 83-248 U/L
15 days-<1 year: 122-469 U/L
1-<10 years: 142-335 U/L
10-<13 years: 129-417 U/L
13-<15 years: 57-254 U/L
15-<17 years: 50-117 U/L
≥17 years: 35-104 U/L
ALKALINE PHOSPHATASE ISOENZYMES
Liver 1%
0-6 years: 5.1-49.0%
7-9 years: 3.0-45.0%
10-13 years: 2.9-46.3%
14-15 years: 7.8-48.9%
16-18 years: 14.9-50.5%
≥19 years: 27.8-76.3%
Liver 1
0-6 years: 7.0-112.7 IU/L
7-9 years: 7.4-109.1 IU/L
10-13 years: 7.8-87.6 IU/L
14-15 years: 10.3-75.6 IU/L
16-18 years: 13.7-78.5 IU/L
≥19 years: 16.2-70.2 IU/L
Liver 2%
0-6 years: 2.9-13.7%
7-9 years: 3.7-12.5%
10-13 years: 2.9-22.3%
14-15 years: 2.2-19.8%
16-18 years: 1.9-12.5%
≥19 years: 0.0-8.0%
Liver 2
0-6 years: 3.0-41.5 IU/L
7-9 years: 4.0-35.6 IU/L
10-13 years: 3.3-37.8 IU/L
14-15 years: 2.2-32.1 IU/L
16-18 years: 1.4-19.7 IU/L
≥19 years: 0.0-5.8 IU/L
Bone %
0-6 years: 41.5-82.7%
7-9 years: 39.9-85.8%
10-13 years: 31.8-91.1%
14-15 years: 30.6-85.4%
16-18 years: 38.9-72.6%
≥19 years: 19.1-67.7%
Bone
0-6 years: 43.5-208.1 IU/L
7-9 years: 41.0-258.3 IU/L
10-13 years: 39.4-346.1 IU/L
14-15 years: 36.4-320.5 IU/L
16-18 years: 32.7-214.6 IU/L
≥19 years: 12.1-42.7 IU/L
Intestine %
0-6 years: 0.0-18.4%
7-9 years: 0.0-18.3%
10-13 years: 0.0-11.8%
14-15 years: 0.0-8.2%
16-18 years: 0.0-8.7%
≥19 years: 0.0-20.6%
Intestine
0-6 years: 0.0-37.7 IU/L
7-9 years: 0.0-45.6 IU/L
10-13 years: 0.0-40.0 IU/L
14-15 years: 0.0-26.4 IU/L
16-18 years: 0.0-12.7 IU/L
≥19 years: 0.0-11.0 IU/L
Placental
Not present
Day(s) Performed
Monday through Friday
Test Classification
This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.CPT Code Information
84075
84080
LOINC Code Information
Test ID | Test Order Name | Order LOINC Value |
---|---|---|
ALKI | Alkaline Phosphatase, Tot and Iso,S | 24332-9 |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
ALP | Alkaline Phosphatase, S | 6768-6 |
89503 | Alkaline Phosphatase Isoenzymes, S | 49243-9 |
45488 | Liver 1 % | 15348-6 |
57034 | Liver 1 | 13874-3 |
45489 | Liver 2 % | 15349-4 |
57035 | Liver 2 | 13875-0 |
45490 | Bone % | 15013-6 |
57036 | Bone | 1777-2 |
45491 | Intestine % | 15014-4 |
57037 | Intestine | 1778-0 |
29324 | Placental | 40793-2 |
Report Available
2 to 5 daysMethod Name
ALP: Colorimetric
ALKE: Electrophoresis