P3NP references ranges in use from 1st April 2014
Paediatric reference ranges
MALE:
4 – 11 years
|
11.9 – 29.4 µg/L
|
12- 16 years
|
11.9 – 51.8 µg/L
|
17- 18 years
|
6.6 – 42.1 µg/L
|
FEMALE:
4 – 10 years
|
12.7 – 33.5 µg/L
|
11 – 12 years
|
13.7 – 52.5 µg/L
|
13 – 14 years
|
10.1 – 37.3 µg/L
|
15 – 18 years
|
6.6 – 18.8 µg/L
|
Adult reference ranges:
Green (safe) <10.4 µg/L
Amber (warning) 10.4 – 12.9 µg/L
Red (action) >12.9 µg/L
Adult patients on methotrexate:
3.3 – 9.6 µg/L