Recommendations when to order or not order the test. May include related or preferred tests.
Aids in the diagnosis of histoplasmosis. Testing in conjunction with Histoplasma Antigen Quantitative by EIA, Serum (0092522) and Histoplasma Galactomannan Antigen Quantitative by EIA, Urine (2009418) is recommended.
Expected turnaround time for a result, beginning when ARUP has received the specimen.
3-6 days
New York DOH Approval Status
Indicates test has been approved by the New York State Department of Health.
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect
Serum separator tube.
Specimen Preparation
Separate serum from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.5 mL) Parallel testing is preferred and convalescent specimens must be received within 30 days from receipt of the acute specimens. Mark specimens plainly as "acute" or "convalescent."
Storage/Transport Temperature
Refrigerated.
Unacceptable Conditions
Contaminated, hemolyzed, or severely lipemic specimens.
Remarks
Stability
After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles)
Reference Interval
Normal range/expected value(s) for a specific disease state. May also include abnormal ranges.
Test Number
Components
Reference Interval
Histoplasma Antibodies by ID
Not detected.
Histoplasma Mycelia Antibodies by CF
Less than 1:8
Histoplasma Yeast Antibodies by CF
Less than 1:8
Interpretive Data
Background information for test. May include disease information, patient result explanation, recommendations, details of testing, associated diseases, explanation of possible patient results.
Refer to report.
Compliance Category
FDA
Note
Additional information related to the test.
The immunodiffusion component of this test detects total antibodies against the H and M antigens of Histoplasmacapsulatum. The complement fixation component of this test detects total antibodies to mycelial and yeast antigens of Histoplasma.
The American Medical Association Current Procedural Terminology (CPT) codes published in ARUP's Laboratory Test Directory are provided for informational purposes only. The codes reflect our interpretation of CPT coding requirements based upon AMA guidelines published annually. CPT codes are provided only as guidance to assist clients with billing. ARUP strongly recommends that clients confirm CPT codes with their Medicare administrative contractor, as requirements may differ. CPT coding is the sole responsibility of the billing party. ARUP Laboratories assumes no responsibility for billing errors due to reliance on the CPT codes published.
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
Other names that describe the test. Synonyms.
H antigen
Histoplasma capsulatum
Histoplasmosis
M antigen
Precipitin
Histoplasma Antibodies by Complement Fixation and Immunodiffusion