Histoplasma Antibody (1)

Included Tests

Mycelial Phase Antibody; Yeast Phase Antibody; 

Clinical Significance

 Histoplasma Antibody, Complement Fixation, Serum - This test is used for the diagnosis and prognosis of histoplasma infections.
Titers ≥1:32 are highly suggestive of H. capsulatum infection. The CF test is more frequently positive with sera from chronic active pulmonary histoplasmosis than sera from primary active pulmonary disease.

Specimen Requirements

1.0 mL Serum in a SST Gold Top Tube

Transport And Storage

7 days Ambient
14 days Refrigerated (Preferred)
30 days Frozen

 Avoid Thaw/Freeze Cycles

Collection Instructions

Centrifuge and separate from cells within one hour of collection

Minimum Volume

0.5 mL

Neonatal Volume

Reference Range:

Yeast Phase Ab	<1:8
Mycelial Phase Ab	<1:8

Test Comments:

Clinical interpretation of complement fixation test results requires comparison of an acute serum sample to a convalescent serum sample. The convalescent serum sample should be collected 2-3 weeks later.

Methodology:

• Complement Fixation (CF)

Clinical Significance

 Histoplasma Antibody, Complement Fixation, Serum - This test is used for the diagnosis and prognosis of histoplasma infections.
Titers ≥1:32 are highly suggestive of H. capsulatum infection. The CF test is more frequently positive with sera from chronic active pulmonary histoplasmosis than sera from primary active pulmonary disease.

CPT Coding

86698 x 2