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Rocky Mountain Spotted Fever, IgM-13352

Test info

Test name:

Rocky Mountain Spotted Fever, IgM

Test number:

13352

Excellian order number:

LAB13352

Abbreviation:

RMSFM

Alternate names:

Rickettsia rickettsii
RMSF
RMSF, IgM, quantitative

Useful for:

Aid in establishing a diagnosis of Rocky Mountain spotted fever. Cross-reactive antibodies have been reported in patients suffering from Ehrlichiosis.

Specimen

Specimen type:

Serum

Collection container:

Gold serum separator (SST) tube

Volume:

0.4 mL

Minimum volume:

0.2 mL

Collection instructions:

Immediately following collection, thoroughly mix sample by gently inverting 5 times

Processing instructions:

Allow sample to clot for a minimum of 30 minutes
Spin within two (2) hours of sample collection

Transport container:

Gold serum separator (SST) tube

Alternate collection container:

Red serum vial/tube - 5 mL

Alternate processing instructions:

Allow sample to clot
Spin
Transfer serum to a Transfer vial/tube with cap - 12mL (LabCorp), labelled as serum, within two (2) hours of sample collection

Alternate transport container:

Transfer vial/tube with cap - 12mL (LabCorp)

Transport and stability:

Ambient (preferred) - 14 days

Refrigerated - 14 days

Frozen - 14 days

Reason for rejection:

Hemolysis
Lipemia
Gross bacterial contamination

Performance

Performing lab:

LabCorp Burlington (016667): R-LC

Days set up:

May - Oct: Mo - Fr; Nov - Apr: Mo, We, Fr

TAT:

1 - 3 days

Method:

Enzyme immunoassay (EIA)

Clinical and Interpretive info

Reference ranges:

Negative: < 0.90 index

Equivocal: 0.90 - 1.10 index

Positive: > 1.10 index

Billing

CPT codes:

86757

LOINC code:

Result 8004-4

Tracking

Date created:

04/11/2019

Revised date:

11/11/2019

Review date:

01/10/2024