Test may be footnoted as to the presence of hemolysis and unable to be performed if the hemolysis exceeds the acceptable threshold of interference.
Methodology
Enzymatic
Performed
Sun-Sat (Daily)
Turnaround Time
Routine = 4 hours Stat = 1 hour
Critical Values
New: <=0.7 or >= 2.9 mg/dL (rev 7/22/25)
Old: <= 0.6 or >= 2.4 mEq/L (prior to 7/22/25)
Reference Range
1.6– 2.3 mg/dL - (rev 7/22/25)
Please note the units changed to mg/dL on 7/22/25. To convert results prior to 7/22/25 (in mEq/L) to current units for trending purposes, please multiply the old result by 1.2 e.g. 1 mEq/L = 1.2 mg/dL. All adjustments to reference ranges and critical value thresholds have been made.
(Prior to 7/22/25) - 1.3 - 1.9 mEq/L
Collection
Collect
Sample
3 mL blood
Remarks
Test may be footnoted as to the presence of hemolysis and unable to be performed if the hemolysis exceeds the acceptable threshold of interference.
Methodology
Enzymatic
Performed
Sun-Sat (Daily)
Turnaround Time
Routine = 4 hours Stat = 1 hour
Critical Values
New: <=0.7 or >= 2.9 mg/dL (rev 7/22/25)
Old: <= 0.6 or >= 2.4 mEq/L (prior to 7/22/25)
Reference Range
1.6– 2.3 mg/dL - (rev 7/22/25)
Please note the units changed to mg/dL on 7/22/25. To convert results prior to 7/22/25 (in mEq/L) to current units for trending purposes, please multiply the old result by 1.2 e.g. 1 mEq/L = 1.2 mg/dL. All adjustments to reference ranges and critical value thresholds have been made.
