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HelpTest Code NH3 | Beaker: LAB47 Ammonia
Additional Codes
Epic EAP: LAB47
Epic Description: AMMONIA
For River Parishes use Soft code NH3R (LAB47).
Synonym
NH3
Collection Limitations
This test cannot be collected by Home Health Agencies.
Specimen Type
Blood
Specimen Required
All performing sites except Chabert, Shreveport, Monroe, and Lafayette
| Collection Container | Preferred Volume | Minimum Volume | |
|---|---|---|---|
| Preferred |
Lavender, EDTA – Transport in a bag with wet ice. |
4.0 mL | 1.0 mL |
| Preferred Micropuncture | Lavender Micro, EDTA | 2 X 0.5 mL | 1 X 0.5 mL |
Performing Site: Chabert , Monroe, Shreveport, and St. Mary's Morgan City
| Collection Container | Preferred Volume | Minimum Volume | |
|---|---|---|---|
| Preferred |
Green, Lithium Heparin – Transport in a bag with wet ice. |
4.0 mL | 1.0 mL |
| Preferred Micropuncture | Green Micro, Lithium Heparin | 2 X 0.5 mL | 1 X 0.5 mL |
Performing Site: Lafayette:
| Collection Container | Preferred Volume |
Minimum Volume |
|
| Preferred | Green, Lithium Heparin | 4.0 mL | 1.0 mL |
| Alternate | Lavender, EDTA | 3.0 mL | 1.0 mL |
Performing site: OALH Lab:
| Collection Container | Preferred Volume | Minimum Volume | |
|---|---|---|---|
| Preferred |
Lavender, EDTA – Transport in a bag with wet ice. |
4.0 mL | 1.0 mL |
Instructions for Collection and Transport
Place specimen in a cup of ice immediately after collection.
Centrifuge specimen immediately (whole blood specimen on ice is stable up to 60 minutes). For transport aliquot plasma into plastic vial, freeze. Transport frozen on dry ice.
Lafayette sites: Transport on ice or separate from cells and refrigerate.
OALH: Centrifuge specimen immediately (whole blood specimen on ice is stable up to 60 minutes). For transport aliquot plasma into plastic vial, freeze.
Aliquot Requirements
Plasma
Optimum 3.0 mL Lafayette Optimum: 1.0 mL
Minimum 0.25 mL Lafayette Minimum: 0.5 mL
Performing Lab
Chemistry Lab
Lafayette OLMGC
Assay Frequency
24 hours
Routine Turnaround Time
1 day
Lafayette: 1 Hour
OALH: 240 min
CSR Storage Requirements
Centrifue immediately (whole blood specimen on ice is stable up to 60 minutes); transport to Chemistry immediately. Aliquoted plasma specimen is stable refrigerated for 2 hours. If testing is delayed for longer than 2 hours freeze specimen.
CPT Code Information
82140