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Cryptococcus neoformans, Antigen
| Item | Value |
|---|---|
| Approval req'd? | No |
| Available Stat? | No |
| Test code | P253 |
| Test group | Cryptococcus neoformans |
| Performed by | Microbiology |
| In House Availability | CSF: Daily, day and evening shifts Serum: Daily, day shift only |
| Container type | Gold top, CSF tube |
| Amount to Collect | 2 mL blood or 1 mL CSF |
| Sample type | Serum, CSF |
| Preferred volume | 1 mL serum or CSF |
| UCSF Rejection Criteria | More than one serum in one week or more than one CSF in 48 hours. |
| Normal range | Negative |
| Critical value | Positive results from CSF. |
| Synonyms | CRAG; Cryptococcus latex agglutination |
| Stability | Refrigerated 1 week |
| Turn around times | 1 day |
| Reflex? | Positive results are titered at a separate charge (B254). |
| Additional information | Call Microbiology (x3-1268) for assistance with interpretation. The result may be invalid if rheumatoid factor is present. Serum specimens are tested daily at 10:30 am. CSF specimens are tested daily between 8 am-9 pm. CSF received in Moffitt/Long Microbiology before 9 pm will be sent to China Basin Microbiology for same day testing. CSF received after 9 pm will be tested the following day. Serum specimens are repeated at 7-day intervals and CSF at 2-day intervals, whether previously positive or negative. |
| LOINC code | 38390-1 |
| Last Updated | 10/2/2010 11:51:41 AM |
| Entry Number | 275 |
If you have additional questions regarding this test, please call: 415-353-1667