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blood tests

Test Request on admission? Bottle Repeat
Full Blood Count
(FBC)
Yes
Purple Daily
Coagulation
(inc Fibrinogen, D-dimer)
Yes
Blue Daily
Liver Function Tests
(LFTs)
Yes
Gold Daily
Magnesium, Phosphate, Calcium
Yes
Gold Daily
Troponin
Yes
Gold Day 3 and then every other day
Lactate dehydrogenase
(LDH)
Yes
Gold Day 7
Ferritin
Yes
Gold Day 7
Lipid profile
(Chol, HDL, TGs)
Yes
Gold -
HIV-1 & HIV-2
Yes
Gold -
Erythrocyte Sedimentation Rate
(ESR)
Yes
Black When clinically indicated
Throat & Nose swab
(send for COVID)
Yes
Green swab 1 If negative on admission then send repeat test day 3 and day 7
Throat & Nose swab
(send for other viral illnesses inc mycoplasma)
Yes
Green swab 2 If no resolution then repeat day 7
Blood cultures
(send for M, C & S)
Yes
Culture bottles Repeat when clinically indicated
Urinary antigens
(send for Legionella and Pneumococcus)
Yes
Red topped bottle -
Tracheal aspirate (if intubated)
(send for M, C & S)
Yes
Sputum trap Day 3 and when clinically indicated
Tracheal aspirate (if intubated)
(send for COVID)
Yes
Sputum trap -
Pregnancy test (if applicable)
Yes
Point Of Care -
The following tests are for saving
Plasma
Yes
Purple Gold Day 7
Urine
Yes
White universal Day 7
Stool
Yes
Blue topped Day 7
Tracheal sample
Yes
Sputum trap Day 7

© Dr Theophilus Samuels 2020

Disclaimer: all information found on this website is intended for use by the critical care and anaesthetic teams at East Surrey Hospital. No responsibility is taken for any misuse, misinterpretation or errors that may exist or result from its use.