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Histoplasma capsulatum Antigen (New test)
| Item |
Value |
| Approval req'd? |
Yes, for testing requested on specimens other than urine. |
| Available Stat? |
No |
| Test code |
HISTAG |
| Test group |
Histoplasma |
| Performed by |
Quest |
| Sendout? |
Yes |
| Method |
Enzyme immunoassay |
| Container type |
| Urine |
Urine cup |
|
Blood |
Gold top, Lavender top, Red top |
|
CSF |
CSF tube |
|
BAL |
Black top tube |
|
| Amount to Collect |
| Urine |
10 mL |
|
Blood |
4 mL |
|
All other samples |
2 mL |
|
| Sample type |
Random urine, EDTA plasma, serum |
| Preferred volume |
| Urine |
0.5 mL |
|
Plasma or serum |
2 mL |
|
All other samples |
1 mL |
|
| Min. Volume |
| Urine |
1 mL |
|
Plasma or serum |
0.5 mL |
|
All other samples |
1 mL |
|
| UCSF Rejection Criteria |
Specimen submitted < 2 weeks after prior specimen. |
| Processing notes |
Order Quest test code #34441X |
| Units |
ng/mL |
| Normal range |
| <0.7 |
Negative |
|
0.7-2.9 |
Borderline |
|
>2.9 |
Moderate to strong positive |
|
| Synonyms |
H. capsulatum |
| Stability |
Room temperature 3 days, refrigerated 2 weeks, frozen at -20C 2 months |
| Turn around times |
Test performed Monday-Friday. Turnaround: 2-5 days. |
| Additional information |
Urine is the most sensitive specimen for diagnosis.
|
Sensitivity: |
|
|
Disseminated infection: |
92% |
|
Severe pulmonary infection |
80% |
|
Self-limited pulmonary infection |
34% |
|
Chronic pulmonary infection |
14% |
|
| CPT coding |
87385-90 |
| LOINC code |
13971-7 |
| Last Updated |
5/15/2013 1:16:39 PM |
| Entry Number |
1509 |
If you have additional questions regarding this test, please call: 415-353-1667
