Update: Reference Intervals for Alkaline Phosphatase

As of Thursday, November 7th, pediatric reference intervals for alkaline phosphatase were changed at Spectrum Health Regional Laboratory to reflect the reference intervals stated by the assay’s manufacturer, Roche Diagnostics. Their values are consistent with recommendations from CALIPER  studies on pediatric reference intervals.

Female AGE	Reference Interval IU/L
0-14 Days	83-248
15 Days – < 1 yr.	122-469
1 – < 10 yrs.	142-335
10 – < 13 yrs.	129-417
13 – < 15 yrs.	57-254
15 – < 17 yrs.	50-117
17 – < 19 yrs.	45-87

 

Male AGE	Reference Interval  IU/L
0-14 Days	83-248
15 Days – < 1 yr	122-469
1 – < 10 yrs	142-335
10 – < 13 yrs	129-417
13 – < 15 yrs	116-468
15 – < 17 yrs	82-331
17 – < 19 yrs	55-149