Histoplasma AB Immunodiffusion

CERNER / EPIC MNEMONIC:

HISTOAB IM

CPT CODE:

86698

CDM NUMBER:

3181443

TURNAROUND TIME:

4 - 7 days

CONTAINER TYPE:

red top Vacutainer tube or SST tube

SPECIMEN REQUIREMENTS:

Serum

REJECTION CRITERIA:

Improper storage of specimen, inappropriate specimen container, insufficient specimen volume

MINIMUM VOLUME:

1 mL

HANDLING INSTRUCTIONS:

Specimen should be transported as soon as possible.  When transportation is delayed, refrigerate.

REFERENCE RANGE:

Negative

METHODOLOGY:

Immunodiffusion

REFERRAL LABORATORY:

Commercial Laboratory

ADDITIONAL INFORMATION:

Immunodiffusion assesses the presence of proteins antigens M and H that often occur independently.  Approximately 70% of patients with histoplasmosis have detectable antibodies by immunodiffusion.