PROCEDURE MANUAL FOR THE i-STAT SYSTEM
14
REV. DATE: 16-Oct-12 ART: 714446-00L
ANALYTE UNIT REFERENCE RANGE
(arterial) (venous)
REPORTABLE
RANGE
UNIT CONVERSION
Hematocrit
%PCV
Fraction
38 – 51 38 – 51
0.38 – 0.51 0.38 – 0.51
10 – 75
0.10 – 0.75
% PCV x 0.01 =
Volume fraction
Example:
40% PCV = 0.40 PCV
Lactate
mmol/L
mg/dL
0.36 –1.25 0.90-1.70
3.2 – 11.3 8.1–15.3
0.30 – 20.00
2.7 – 180.2
mmol/L x 9.01 = mg/dL
HCO
3
*
mmol/L (mEq/L) 22 – 26 23 - 28 1.0 – 85.0 mmol/L x 1 = mEq/L
TCO
2
*
(on all cartridges
but CHEM8+)
mmol/L (mEq/L)
23 – 27 24 - 29
5 – 50
mmol/L x 1= mEq/L
BE*
mmol/L (mEq/L) (-2) – (+3) (-2) – (+3) (-30) – (+30)
Anion Gap*
mmol/L (mEq/L) 10 – 20 10 – 20 (-10) – (+99)
sO
2
*
% 95 – 98 0 - 100 % x 0.01 = fraction
saturated
Hb*
g/dL
g/L
mmol/L
12 – 17 12 – 17
120 – 170 120 – 170
7 – 11 7 – 11
3.4 – 25.5
34 – 255
2.1 – 15.8
g/dL x 10 = g/L
Celite ACT
seconds
74 – 125 (PREWRM) 74 – 125 (PREWRM)
84 – 139 (NONWRM) 84 – 139 (NONWRM)
50 - 1000
Kaolin ACT
seconds
74 – 137 (PREWRM) 74 – 137 (PREWRM)
82 – 152 (NONWRM) 82 – 152 (NONWRM)
50 - 1000
Prothrombin
Time/PT
INR 0.9-8.0
#
Troponin I/cTnI
ng/mL (µg/L) 0.00 – 0.03**
0.00 – 0.08***
0.00 –50.00
##
ng/mL x 1 = µg/L
Creatine
Kinase
MB/ CK-MB
ng/mL (µg/L)
0.0 – 3-5**** 0.0-150.0
ng/mL x 1 = µg/L
B-Type
Natriuretic
Peptide/BNP
pg/mL (ng/L) <15-50**** 15-5000 pg/mL x 1 = ng/L
*Calculated values.
#Performance characteristics have not been established for INRs above 6.0.
**Represents the 0 – 97.5% range of results. Each facility should establish it’s own reference range using the i-STAT cTnI assay.
##
Performance characteristics have not been established for cTnI values above 35.00 ng/mL.
***Represents the 0-99% range of results. Each facility should establish it’s own reference range using the i-STAT cTnI assay.
****Represents the 0-95% range of results. Each facility should establish it’s own reference range using the i-STAT assay
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