Factor H levels

Immunology

21 calendar days

Factor I Levels

Immunology

21 calendar days

Factor II Assay

Haemostasis

14 days, urgent on request

Factor IX Assay

Haemostasis

7 days, urgent on request

Factor V Assay

Haemostasis

14 days, urgent on request

Factor V Leiden Mutation

Haemostasis

Factor VII Assay

Haemostasis

14 days, urgent on request

Factor VIII Assay

Haemostasis

4 days Urgent on request

Factor X Assay

Haemostasis

14 days, urgent on request

Factor XI Assay

Haemostasis

7 days, urgent on request

Factor XII Assay

Haemostasis

7 days, urgent on request

Factor XIII Assay

Haemostasis

14 days, urgent on request

Faecal Culture including extended colitis screen

Microbiology

Upto 14 days

Faecal electrolytes

Biochemistry

Within 1 day

Faecal immunochemical test

Biochemistry

2 weeks

Faeces Culture

Microbiology

Negative results 2 days Positive results 2-3 days

Ferritin

Biochemistry

Urgent: 1.5hours Routine: 4 hours

Fibrinogen - Clauss

Haemostasis

Urgent sample: 2 hours Routine sample: 4 hours

Fibrinogen - Derived

Haemostasis

Urgent within 1 hour. Routine within 4 hours.

Filaria Elisa

Microbiology

21 Days

Fine Needle Aspirate samples

Cytology, Non-gynaecological, Fine Needle Aspirate, FNA

7-10 days

FIX Refixia

Haemostasis

7 days – urgent on request

Flecainide

Biochemistry

7 days

FLT3

Molecular Genetics

2 weeks

Flucytosine level

Microbiology

Fluorescence In Situ Hybridiation

Cytogenetics

14/21 days

Folate

Biochemistry

Urgent sample: within 1 hour Non-urgent sample: within 4 hours

FOXP3 expression

Immunology

4 days

Free fatty acids (non-esterified fatty acids, NEFA), plasma

Biochemistry

Within 1 week

Free Light Chain Quantitation

Immunology

4 days

Free T3, serum

Biochemistry

Urgent: within 3h Non-urgent: 2 full access days

Free T4, serum

Biochemistry

Urgent: within 3h Non-urgent: 2 full access days

Frozen Sections

Cellular Pathology

Target <40 minutes from Freeman Hospital

Fructosamine

Biochemistry

FSH, serum

Biochemistry

Within 2 full access days

Fucosidosis

Biochemistry

Full Blood Count

Haematology

Urgent within 1 hour Routine within 4 hours

Fungal Culture (non-Dermatophyte)

Microbiology

14 days Culture, 2 Day Microscopy

Fungal Culture (Skin, Hair, Nails)

Microbiology

14 days Culture, 2 Day Microscopy

Fungal Identification and Sensitivity

Microbiology

5 days

Fungal Precipitins

Immunology

21 calendar days