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Ammonia, Plasma
MessageSee specimen stability for guidance when drawing specimens at a location other than NLMC, North Colorado Medical Center, or Banner Fort Collins Medical Center.
Test Code
AMON - NOCO
CPT Codes
82140
Preferred Specimen
1 full Lavender (EDTA) tube or seperated EDTA plasma
Minimum Volume
0.5 mL
Note: For neonate requirements see Resources, Neonate Minimum Blood Volumes
Note: For neonate requirements see Resources, Neonate Minimum Blood Volumes
Instructions
- Transport to lab on crushed ice.
- Specimen must arrive to the lab within 20 minutes of draw
Transport Temperature
Refrigerated
Specimen Stability
| Plasma EDTA | Room Temp | 30 minutes |
| Plasma EDTA (separated) | 2-8°C | 2 hours |
| Plasma EDTA (separated) | -20°C | 3 days |
*Specimens drawn at other draw sites may be sent to a performing laboratory if plasma is seperated from the cells within 20 minutes of draw and transported to the appropriate lab, refrigerated, and within 2 hours.
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis, wrong specimen type for performing laboratory
Methodology
Setup Schedule
Monday through Sunday; Continuously
Report Available
Same day
Reference Range
Refer to the Chemistry Reference Range and Critical Results documents in the Resources file on the facility test directory page.
Performing Laboratory
Banner Fort Collins Medical Center Laboratory
North Colorado Medical Center Laboratory
