Tests:Activated Partial Thromboplastin Time: Difference between revisions
Tests:Activated Partial Thromboplastin Time
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(APTT 1+1) |
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|'''Useful Information''' | |'''Useful Information''' | ||
|Samples that will take longer than 4 hours to arrive at the Hastings Laboratory should be separated and frozen for transport. | |Samples that will take longer than 4 hours to arrive at the Hastings Laboratory should be separated and frozen for transport. | ||
APTT 1+1 correction studies (registration code: HCOR) are performed by Haematology staff. | |||
After hours: separate and freeze citrate plasma, place sample in Haematology drawer of -30 degree Biochemistry freezer. | |||
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|'''Measurement Uncertainty''' | |'''Measurement Uncertainty''' | ||
Latest revision as of 01:16, 20 January 2025
| Synonym(s) | APTT, PTT |
| Specimen | 2.7 mL Sodium Citrate (Blue top - Must be FULL) |
| Paediatric Specimen | 1.8 mL Sodium Citrate ONLY (Blue top - Must be FULL) |
| Minimum Volumes | Citrate tube must be FULL.
Separated plasma - 1mL |
| Add-on conditions | 4 hours @ 4°C |
| Test Availability | Mon - Sun, 24 hours |
| Turnaround Time | Hastings 1 - 2.5 hours / Central HB 6 - 8 hours / Wairoa 12 hours |
| Where analysed | Hastings |
| Department | Haematology, (06) 878 1308 ext. 2445 |
| Registration Code | HPTT |
| Deletion Code | 7171 |
| Useful Information | Samples that will take longer than 4 hours to arrive at the Hastings Laboratory should be separated and frozen for transport.
APTT 1+1 correction studies (registration code: HCOR) are performed by Haematology staff. After hours: separate and freeze citrate plasma, place sample in Haematology drawer of -30 degree Biochemistry freezer. |
| Measurement Uncertainty | Available upon request |