Haematology Critical Ranges

From Te Matau a Māui | Laboratory Services
Jump to navigation Jump to search

Hospital patients critical ranges (includes out-patients)

Test Reporting units Lower limit Upper limit
WBC x 109/L N/A 50
Hb g/L 70
Platelets x 109/L 50 1000
Neutrophils x 109/L 0.5 30
INR 2.0 (if not on anticoagulants)
5.0 (if on warfarin and fax results to pharmacy)
APTT secs 50 (if not on anticoagulants)
150 (if on heparin)
Fibrinogen g/L 1.0

Community patients critical ranges

Test Reporting units Lower limit Upper limit
WBC x 109/L 2.0 50
Hb g/L 80
Platelets x 109/L 90 1000
Neutrophils x 109/L 0.5 25
INR 5.0
Fibrinogen g/L 1.0
D-Dimers μg/L less than 500

(email/fax only)

Age

≤ 50                     500 ug/L

51-60                   600 ug/L

61-70                   700 ug/L

71-80                   800 ug/L

>80                      900 ug/L

Malaria All malaria results to be phoned and faxed

*Also known as Panic Ranges

Reviewed November 2023