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Test Code NH3R Ammonia - River Parishes 

Additional Codes

Epic EAP: LAB47

Epic Description: AMMONIA

This Soft code is for River Parishes only. All other sites order NH3 (LAB47).

Synonym

NH3

Collection Limitations

This test cannot be collected by Home Health Agencies.

Specimen Type

Blood

Specimen Required

 

 

  Collection Container Preferred Volume Minimum Volume
Preferred

Green, Lithium Heparin with Inert Gel – Transport in a bag with wet ice.

4.5 mL 1.0 mL
Preferred Micropuncture Green Micro, Lithium Heparin with Inert Gel 2 X 0.5 mL 1 X 0.5 mL

 

Instructions for Collection and Transport

Place specimen in a cup of ice immediately after collection.

Internal specimens should be transported to CSR Laboratory immediately.

Remote Locations: Centrifuge specimen immediately (within 15 minutes of collcetion), aliquot plasma into plastic vial, freeze. Transport frozen on dry ice.

Aliquot Requirements

Plasma

Optimum 3.0 mL

Minimum 0.25 mL

Performing Lab

Chemistry Lab

Assay Frequency

24 hours

Routine Turnaround Time

1 day

CSR Storage Requirements

Centrifuge immediately (within 15 minutes of collection) upon receipt and transport to Chemistry immediately. Specimen is stable refrigerated for 2 hours. If assay delayed more than 2 hours, aliquot plasma into plastic vial and freeze.

CPT Code Information

82140