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Complement, Total, serum
| Item | Value |
|---|---|
| Approval req'd? | No |
| Available Stat? | No |
| Test code | CH50 |
| Test group | Complement, Total |
| Performed by | Immunology |
| In House Availability | Monday, Wednesday (day shift) |
| Collection Instructions | Deliver immediately to lab. Test requires a freshly drawn specimen or serum which has been separated and frozen at -70C within 1/2 hour of collection. Collect a separate tube for this test as the specimen cannot be shared for other tests. |
| Container type | Gold top |
| Amount to Collect | 1 mL blood |
| Sample type | Serum |
| Preferred volume | 0.5 mL serum |
| UCSF Rejection Criteria | Delivered to lab > 15 min after collection; hemolyzed sample |
| Processing notes | Centrifuge, separate serum and freeze at -70C within 1/2 hour of collection. |
| Units | CH50 units/mL |
| Normal range | 22-40 CH50 units/mL |
| Synonyms | CH50; Complement, total hemolytic; Total hemolytic complement |
| Turn around times | 1-5 days |
| Additional information | This test was developed and its performance characteristics determined by the Clinical Laboratories at the Medical Center at UC San Francisco. It has not been cleared or approved by the U.S. Food and Drug Administration. |
| LOINC code | 4532-8 |
| LDT or Mod FDA? | Yes |
| Last Updated | 11/27/2012 5:16:48 PM |
| Entry Number | 248 |
If you have additional questions regarding this test, please call: 415-353-1667