Ordering Recommendation

Determine the clinical significance of cold reacting autoantibodies. Prior to ordering the thermal amplitude test, results from the Antibody ID Package (IRL) (0013003) are required to identify specific antibodies that may interfere with testing.

Mnemonic
IRL-THERM
Methodology

Hemagglutination

Performed

Mon - Fri

Reported

1-3 days

New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect

Lavender (K2EDTA), Pink (K2 EDTA) or Plain Red.

Specimen Preparation

Maintain at 37°C until separated from cells. Transport 7 mL red blood cells and 5 mL plasma or serum in an ARUP Standard Transport Tube. (Min: 7 mL red blood cells and 3 mL plasma or serum)

Storage/Transport Temperature

Refrigerated.

Unacceptable Conditions

Separator or Gel Tubes.

Remarks
Stability

Ambient: Unacceptable; Refrigerated: 1 week; Frozen: Unacceptable

Reference Interval
Interpretive Data



Compliance Category

Standard

Note
Hotline History
N/A
CPT Codes

86870

Components
Component Test Code* Component Chart Name LOINC
0013410 Thermal Amplitude Test
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
Thermal Amplitude Test