TASH is the sum of eight weighted components.

Variable	Finding	Points
Sex	Male	1
Sex	Female	0
Haemoglobin	<7 g/dL	8
	7–8.99 g/dL	6
	9–9.99 g/dL	4
	10–10.99 g/dL	3
	11–11.99 g/dL	2
	≥12 g/dL	0
Base excess	<−10 mmol/L	4
	−10 to <−6 mmol/L	3
	−6 to <−2 mmol/L	1
	≥−2 mmol/L	0
Systolic blood pressure	<100 mmHg	4
	100–119 mmHg	1
	≥120 mmHg	0
Heart rate	>120 beats/min	2
Heart rate	≤120 beats/min	0
Positive FAST for intra-abdominal fluid	Present	3
Clinically unstable pelvic fracture	Present	6
Open or dislocated femur fracture	Present	3

The displayed probability is mapped from the total score.

TASH score	Predicted need for massive transfusion
0–8	<5%
9	6%
10	8%
11	11%
12	14%
13	18%
14	23%
15	29%
16	35%
17	43%
18	50%
19	57%
20	65%
21	71%
22	77%
23	82%
24	85%
25–31	>85%

TASH Score (Trauma Associated Severe Haemorrhage)