ALKALINE PHOSPHATASE
        Males                        Females
 4 years: 149-369 U/L          4 years: 169-372 U/L
 5 years: 179-416 U/L          5 years: 162-355 U/L
 6 years: 179-417 U/L          6 years: 169-370 U/L
 7 years: 172-405 U/L          7 years: 183-402 U/L
 8 years: 169-401 U/L          8 years: 199-440 U/L
 9 years: 175-411 U/L          9 years: 212-468 U/L
10 years: 191-435 U/L         10 years: 215-476 U/L
11 years: 185-507 U/L         11 years: 178-526 U/L
12 years: 185-562 U/L         12 years: 133-485 U/L
13 years: 182-587 U/L         13 years: 120-449 U/L
14 years: 166-571 U/L         14 years: 153-362 U/L
15 years: 138-511 U/L         15 years: 75-274 U/L
16 years: 102-417 U/L         16 years: 61-264 U/L
17 years: 69-311 U/L          17-23 years: 52-144 U/L
18 years: 52-222 U/L          24-45 years: 37-98 U/L
> or =19 years: 45-115 U/L    46-50 years: 39-100 U/L
                              51-55 years: 41-108 U/L
                              56-60 years: 46-118 U/L
                              61-65 years: 50-130 U/L
                              > or =66 years: 55-142 U/L
Reference values have not been established for patients that are <4 
years of age.

ALKALINE PHOSPHATASE ISOENZYMES
       Liver 1%                       Liver 1
0-6 years: 5.1-49.0%           0-6 years: 7.0-112.7 IU/L
7-9 years: 3.0-45.0%           7-9 years: 7.4-109.1 IU/L
10-13 years: 2.9-46.3%        10-13 years: 7.8-87.6 IU/L
14-15 years: 7.8-48.9%        14-15 years: 10.3-75.6 IU/L
16-18 years: 14.9-50.5%       16-18 years: 13.7-78.5 IU/L
> or =19 years: 27.8-76.3%    > or =19 years: 16.2-70.2 IU/L

       Liver 2%                        Liver 2
0-6 years: 2.9-13.7%           0-6 years: 3.0-41.5 IU/L
7-9 years: 3.7-12.5%           7-9 years: 4.0-35.6 IU/L
10-13 years: 2.9-22.3%        10-13 years: 3.3-37.8 IU/L
14-15 years: 2.2-19.8%        14-15 years: 2.2-32.1 IU/L
16-18 years: 1.9-12.5%        16-18 years: 1.4-19.7 IU/L
> or =19 years: 0.0-8.0%      > or =19 years: 0.0-5.8 IU/L

       Bone %                          Bone
0-6 years: 41.5-82.7%          0-6 years: 43.5-208.1 IU/L
7-9 years: 39.9-85.8%          7-9 years: 41.0-258.3 IU/L
10-13 years: 31.8-91.1%       10-13 years: 39.4-346.1 IU/L
14-15 years: 30.6-85.4%       14-15 years: 36.4-320.5 IU/L
16-18 years: 38.9-72.6%       16-18 years: 32.7-214.6 IU/L
> or =19 years: 19.1-67.7%    > or =19 years: 12.1-42.7 IU/L

     Intestine %                    Intestine
0-6 years: 0.0-18.4%           0-6 years: 0.0-37.7 IU/L
7-9 years: 0.0-18.3%           7-9 years: 0.0-45.6 IU/L
10-13 years: 0.0-11.8%        10-13 years: 0.0-40.0 IU/L
14-15 years: 0.0-8.2%         14-15 years: 0.0-26.4 IU/L
16-18 years: 0.0-8.7%         16-18 years: 0.0-12.7 IU/L
> or =19 years: 0.0-20.6%     > or =19 years: 0.0-11.0 IU/L

Placental
Not present

Useful 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