Skip to main content

Table 1 Definition of abnormal blood test results for the 28 included blood tests

From: Routine blood tests and probability of cancer in patients referred with non-specific serious symptoms: a cohort study

Blood test interval Reference group Definition of abnormal result
Inflammation
CRP High All ≥8.0 mg/l
ESR High Men under 50 years old
Men 50 years or older
Women under 50 years old
Women 50 years or older
≥ 15 mm/h
≥ 20 mm/h
≥ 20 mm/h
≥ 30 mm/h
Immunology
IgA Low All < 0.8 g/l
  High Under 50 years old
50 years or older
> 3.90 g/l
> 4.90 g/l
IgG Low All men, and women 50 years or older
Women under 50 years old
< 6.1 g/l
< 6.9 g/l
  High All men, and women 50 years or older
Women under 50 years old
> 14.9 g/l l
> 15.7 g/l
IgM Low All men, and women 50 years or older
Women under 50 years old
< 0.39 g/l
< 0.55 g/l
  High All men, and women 50 years or older
Women under 50 years old
> 2.08 g/l
> 2.30 g/l
Haematology
White blood cell count Low All < 3.5 × 109/l
High All > 10.0 × 109/l
Neutrophil count Low All < 2.0 × 109/l
High All > 7.0 × 109/l
Eosinophil count High All ≥ 0.5 × 109/l
Basophil count High All ≥ 0.10 × 109/l
Metamyelocyte count High All ≥ 0.05 × 109/l
Monocyte count Low All < 0.2 × 109/l
High All > 0.7 × 109/l
Lymphocyte count Low All < 1.3 × 109/l
High All > 3.5 × 109/l
Platelet count Low Men
Women
< 145 × 109/l
< 165 × 109/l
High Men
Women
> 350 × 109/l
> 400 × 109/l
Anaemia    
Haemoglobin Low Men
Women
< 8.3 mmol/l
< 7.3 mmol/l
Liver and metabolism
Albumine Low Under 70 years old
70 years or older
< 36 g/l
< 34 g/l
Alkaline phosphatase High All > 105 U/l
ALK High Men
Women
> 70 U/l
> 45 U/l
Bilirubin High All > 25 μmol/l
Amylase High All > 120 U/l
Calcium total High All > 2.55 mmol/l
LDH High Under 70 years old
70 years or older
>205 U/l
>255 U/l
Uric acid High Men
Women under 50 years old
Women 50 years or older
>0.48 mmol/l
>0.35 mmol/l
>0.40 mmol/l
Tumour markers
M protein High All ≥ 2.0 g/l
sFLC ratio Low All < 0.26
High All > 1.65
AFP High All ≥ 7 KU/l
PSA High Men under 60 years old
Men between 60 and 69 years old
Men 70 years or older
≥ 3.0 μg/l
≥ 4.0 μg/l
≥ 5.0 μg/l
hCG High Men ≥ 2 IU/l
CA-125 High Women ≥ 35 kIU/l
  1. The blood tests were divided into intervals according to the reference range used at the Department of Clinical Chemistry at Silkeborg Regional Hospital
  2. Abbreviations: CRP C-reactive protein, ESR erythrocyte sedimentation rate, IgA immunoglobulin A, IgG immunoglobulin G, IgM immunoglobulin M, ALT alanine aminotransaminase, LDH lactate dehydrogenase. sFLC serum-free light chain κ/λ ratio, AFP alpha-fetoprotein, PSA prostate-specific antigen, hCG human chorionic gonadotropin, CA-125 cancer antigen 125