Test ID: ZG107
Component(s): Z0422 Histoplasma Mycelial CF Ab. LOINC: 20573-2, Z0423 Histoplasma Yeast CF Ab LOINC: 20574-0, Z0424 Histoplasma Mycelial ID Ab. LOINC: 6816-3
CPT code: 86698 x3
LOINC:
Specimen Type: Red or SST
Frequency: 2 – 6 days
Instructions: 1 mL Serum from Red or SST, Refrigerated. Min 0.6 mL.
Text: Complement Fixation titers of =>1:8 with positive ID results (M or H band) are suggestive of active H. capsulatum infection. CF titers of =>1:32 are strongly suggestive of active infection.
Methodology: Mycelial phase: Complement fixation (CF) & Immunodiffusion (ID) Yeast phase: Complement fixation (CF)