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Items starting with F

Factor Assay

Factor Assay

Reference Range

FII (Factor 2) 87-129 u/dL

FV (Factor 5) 66-135 u/dL

FVII (Factor 7) 66-170 u/dL

FVIII (Factor 8) 57-158 u/dL

FIX (Factor 9) 82-166 u/dL

FX (Factor 10) 76-171 u/dL

FXI (Factor 11) 70-164 u/dL

FXII (Factor 12) 64-183 u/dL

Bovine Chromogenic FVIII (Factor 8) 0.67-1.44 IU/ml

  • Turnaround Time: 21 days
Faecal Elastase-1

Faecal Elastase-1

Reference Range

Normal: >200 ug/g

Mild to moderate exocrine pancreatic insufficiency: 100 – 200 ug/g

Severe exocrine pancreatic insufficiency: <100 ug/g

  • Turnaround Time: 15 days
Ferritin

Ferritin

Reference Range

                                      New Ferritin reference range (µg/L)

Females                                      20 – 235

Males                                          22 – 501

 

Please note new reference range in use from 04/12/23. This change was agreed with consultant haematologists following a recent audit examining the appropriateness of the current Ferritin reference range. If you have any further questions regarding this change, please contact the Duty Biochemist on 0121 3716543”

  • Turnaround Time: 1 day
Fibrinogen

Fibrinogen

Reference Range

1.5 - 4.1 g/L

  • Turnaround Time: 24 hours
Folate

Folate

Reference Range

3.1 - 20.5 µg/L

 

 

 

  • Turnaround Time: 1 day
Follicle Stimulating Hormone (FSH)

Follicle Stimulating Hormone (FSH)

Reference Range

Males

0.95 - 11.95 IU/L

Females

Follicular phase: 3.03 - 8.08 IU/L

Mid-cycle: 2.55 - 16.69 IU/L

Luteal phase: 1.38 - 5.47 IU/L

Post-menopausal: 26.72 - 133.41 IU/L

 

  • Turnaround Time: 1 day
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