After consultation with our clinical partners, Spectrum Health West Michigan Laboratory will be adjusting the pediatric reference ranges for our new ALT and AST reagents in an effort to better serve our population. Numerous academic studies were reviewed, and the values listed below were adopted on August 3, 2022:
Alanine Aminotransferase (ALT), Blood Level [LAB132]
Female
0 up to 1 Years: 7 to 36 IU/L
1 Years up to 13 Years: 12 to 28 IU/L
13 Years up to 19 Years: 10 to 25 IU/L
19 Years up and older: 0 to 35 IU/L
Male
0 up to 1 Years: 7 to 36 IU/L
1 Years up to 13 Years: 12 to 28 IU/L
13 Years up to 19 Years: 12 to 27 IU/L
19 Years up and older: 0 to 50 IU/L
Aspartate Aminotransferase (AST) Level [LAB131]
Female
0 up to 15 Days: 40 to 175 IU/L
15 Days up to 1 Years: 28 to 77 IU/L
1 Years up to 7 Years: 29 to 53 IU/L
7 Years up to 12 Years: 26 to 45 IU/L
12 Years up to 19 Years: 21 to 34 IU/L
19 years and older: 0 to 35 IU/L
Male
0 up to 15 Days: 40 to 175 IU/L
15 Days up to 1 Years: 28 to 77 IU/L
1 Years up to 7 Years: 29 to 53 IU/L
7 Years up to 12 Years: 26 to 45 IU/L
12 Years up to 19 Years: 22 to 44 IU/L
19 years and older: 0 to 50 IU/L
Questions and inquiries may be directed to the “Contact Us” link above.
