Coagulation reference ranges: Difference between revisions
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{| class="wikitable" | {| class="wikitable" | ||
|''' | |'''Parameter''' | ||
| | |'''Units''' | ||
| | |'''Normal range''' | ||
|'''Therapeutic range''' | |||
|- | |- | ||
|INR | |INR | ||
|Ratio | |Ratio | ||
|0.8 - 1.2 | |0.8 - 1.2 | ||
|2.0 - 3.0* | |||
|- | |- | ||
|APTT | |APTT | ||
|Seconds | |Seconds | ||
|24-38 | |24-38 | ||
|50 - 85 secs | |||
|- | |- | ||
|FIBRINOGEN | |FIBRINOGEN | ||
|g/L | |g/L | ||
|1.5-4.0 | |1.5-4.0 | ||
|N/A | |||
|- | |- | ||
|TCT | |TCT | ||
|Seconds | |Seconds | ||
|15 - 21 | |15 - 21 | ||
|N/A | |||
|- | |||
|D DIMER | |||
|ug/L | |||
|<50 yrs 500 | |||
51-60yrs 600 | |||
61-70yrs 700 | |||
71-80yrs 800 | |||
>80yrs 900 | |||
|N/A | |||
|- | |||
|FVIII | |||
|iu/dl | |||
|50 - 150 | |||
|N/A | |||
|} | |} | ||
<nowiki>*</nowiki><small>The INR therapeutic range may be higher for conditions such as heart valves, recurrent thromboembolism or arterial thromboembolism with associated antiphospholipid syndrome.</small> | |||
Reviewed August 2025 | |||
Latest revision as of 02:58, 7 November 2025
| Parameter | Units | Normal range | Therapeutic range |
| INR | Ratio | 0.8 - 1.2 | 2.0 - 3.0* |
| APTT | Seconds | 24-38 | 50 - 85 secs |
| FIBRINOGEN | g/L | 1.5-4.0 | N/A |
| TCT | Seconds | 15 - 21 | N/A |
| D DIMER | ug/L | <50 yrs 500
51-60yrs 600 61-70yrs 700 71-80yrs 800 >80yrs 900 |
N/A |
| FVIII | iu/dl | 50 - 150 | N/A |
*The INR therapeutic range may be higher for conditions such as heart valves, recurrent thromboembolism or arterial thromboembolism with associated antiphospholipid syndrome.
Reviewed August 2025