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Computer Code: NH4
Specimen Collection: 2 mL blood (lithium or sodium heparin green top tube). Collect and place immediately on ice. TRANSPORT IMMEDIATELY on ice or see Handling Instructions. NO MICROTAINERS. FOR OFFSITE HANDLING SEE BELOW. 
Minimum Volume: 1.5 mL 
Handling Instructions for Offsite Areas: Centrifuge for 20 minutes within 1 hour, remove plasma and freeze immediately. Min 0.5 mL plasma. 
Reference Values: 0-32 UMOL/L  
Lab Code: CC 
Requisition: SPEC C
Test Frequency: Daily 
Routine TAT: 2 hr 
Stat TAT: 60 min 
CPT Code(s): 82140 
LCD or NCD:  
Methodology Used: 20
See Addendum XVII

Albany Medical Center
43 New Scotland Avenue
Albany, NY, 12208
Date: 05/25/2016
Time: 09:06:05 (24hr)