| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Histoplasma Antibody, Complement Fixation, Serum
Test CodeHSPM
Quest Code
938
CPT Codes
86317 (x2)
Includes
Yeast Phase Antibody and Mycelial Phase Antibody
Preferred Specimen
1 mL serum
Minimum Volume
0.5 mL
Instructions
For CSF, use test code 5297- Histoplasma Antibody, Complement Fixation, CSF
Transport Temperature
Refrigerated
Specimen Stability
Room temperature: 7 days
Refrigerated: 14 days
Frozen: 30 days
Refrigerated: 14 days
Frozen: 30 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis • Grossly icteric
Methodology
Complement Fixation (CF)
Setup Schedule
Set up: Tue-Sat; Report available: 2-5 days
Reference Range
| Yeast Phase Ab | <1:8 titer |
| Mycelial Phase Ab | <1:8 titer |
Interpretive Criteria
| <1:8 | Antibody Not Detected |
| ≥1:8 | Antibody Detected |
Clinical Significance
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.
Performing Laboratory
| Quest Diagnostics Nichols Institute-San Juan Capistrano, CA |
| 33608 Ortega Highway |
| San Juan Capistrano, CA 92675-2042 |

