Reference intervals Flashcards
Haematology reference intervals: white cell count
4.0-11.0 x 10^9/L
Haematology reference intervals: red cell count, male
4.5-6.5 x 10^12/L
Haematology reference intervals: red cell count, female
3.9-5.6 x 10^12/L
Haematology reference intervals: haemoglobin, male
130-180g/L
Haematology reference intervals: haemoglobin, female
115-160g/L
Haematology reference intervals: packed red cell volume (PCV) or haematocrit, male
0.4-0.54L/L
Haematology reference intervals: packed red cell volume (PCV) or haematocrit, female
0.37-0.47L/L
Haematology reference intervals: mean cell volume (MCV)
76-96fL
Haematology reference intervals: mean cell haemoglobin (MCH)
27-32pg
Haematology reference intervals: mean cell haemoglobin concentration (MCHC)
300-360g/L
Haematology reference intervals: red cell distribution width (RCDW, RDW)
11.6-14.6%
Haematology reference intervals: neutrophils
2.0-7.5 x 10^9/L
40-75% WCC
Haematology reference intervals: lymphocytes
1.0-4.5 x 10^9/L
20-45% WCC
Haematology reference intervals: eosinophils
0.04-0.44 x 10^9/L
1-6% WCC
Haematology reference intervals: basophils
0.0-0.10 x 10^9/L
0-1% WCC
Haematology reference intervals: monocytes
0.2-0.8 x 10^9/L
2-10% WCC
Haematology reference intervals: platelet count
150-400 x 10^9/L
Haematology reference intervals: reticulocyte count
0.8-2.0% (if red cel count normal)
25-100 x 10^9/L
Haematology reference intervals: erythrocyte sedimentation rate (ESR)
Depends on age.
In males, age/2. In females, (age +10)/2.
Haematology reference intervals: prothrombin time (citrated bottle) (factors I, II, VII, X)
10-14s
Haematology reference intervals: activated partial thromboplastin time (VIII, IX, XI, XII)
35-45s
Arterial blood gases reference intervals: pH
7.35-7.45
Arterial blood gases reference intervals: PaCO2
4.7-6.0kPa
Arterial blood gases reference intervals: PaO2
> 10.6kPa
Arterial blood gases reference intervals: base excess
±2mmol/L
Urine reference intervals: cortisol (free)
<280mmol/24hrs
Urine reference intervals: hydroxyindole acetic acid
16-73µmol/24hrs
Urine reference intervals: hydroxymethylmandelic acid
16-48µmol/24hrs
Urine reference intervals: metanephrines
0.03-0.69µmol/mmol creatinine (or <5.5µmol/day)
Urine reference intervals: osmolality
350-1000mosmol/kg
Urine reference intervals: 17-oxogenic steroids
28-30µmol/24hrs (males)
21-66µmol/24hrs (females)
Urine reference intervals: 17-oxosteroids (neutral)
17-76µmol/24hrs (males)
14-59µmol/24hrs (females)
Urine reference intervals: phosphate (inorganic)
15-50mmol/24hrs
Urine reference intervals: potassium
14-120mmol/24hrs
Urine reference intervals: protein
<150mg/24hrs
Urine reference intervals: protein creatinine ratio
<3mg/mmol
Urine reference intervals: sodium
100-250mmol/24hrs
Biochemistry reference intervals: plasma adrenocorticotrophic hormone (ACTH)
<80ng/L
Biochemistry reference intervals: plasma alanine aminotransferase (ALT)
5-35u/L
Biochemistry reference intervals: plasma albumin
35-50g/L
Biochemistry reference intervals: plasma aldosterone
100-500pmol/L
Biochemistry reference intervals: plasma alkaline phosphatase (ALP)
30-130u/L (adults)
Biochemistry reference intervals: plasma alpha-amylase
0-180iu/dL
Biochemistry reference intervals: serum alpha-fetoprotein
<10ku/L
Biochemistry reference intervals: plasma angiotensin II
5-35pmol/L
Biochemistry reference intervals: plasma antidiuretic hormone (ADH)
0.9-4.6pmol/L
Biochemistry reference intervals: plasma aspartate transaminase (AST)
5-35u/L
Biochemistry reference intervals: plasma bicarbonate
24-30mmol/L
Biochemistry reference intervals: plasma bilirubin
3-17µmol/L
Biochemistry reference intervals: plasma BNP
<50ng/L
Biochemistry reference intervals: plasma C-reactive protein (CRP)
<10mg/L
Biochemistry reference intervals: plasma calcitonin
<0.1mcg/L
Biochemistry reference intervals: plasma calcium (ionised)
1.0-1.25mmol/L
Biochemistry reference intervals: plasma calcium (total)
2.12-2.60mmol/L
Biochemistry reference intervals: plasma chloride
95-105mmol/L
Biochemistry reference intervals: plasma cholesterol
<5.0mmol/L
Biochemistry reference intervals: plasma cholesterol, VLDL
0.128-0.645mmol/L
Biochemistry reference intervals: plasma cholesterol, LDL
<2.0mmol/L
Biochemistry reference intervals: plasma cholesterol, HDL
0.9-1.93mmol/L
Biochemistry reference intervals: plasma cortisol
a.m. 450-700nmol/L
midnight 80-280nmol/L
Biochemistry reference intervals: plasma creatine kinase
25-195u/L (male)
25-170u/L (female)
Biochemistry reference intervals: plasma creatinine (proportional to lean body mass)
70-100µmol/L
Biochemistry reference intervals: plasma ferritin
12-200mcg/L
Biochemistry reference intervals: serum folate
2.1mcg/L
Biochemistry reference intervals: serum/plasma FSH
2-8u/L in females (luteal)
>25u/L in menopause
Biochemistry reference intervals: plasma gamma-glutamyl transpeptidase (GGT)
11-51u/L (males)
7-33u/L (females)
Biochemistry reference intervals: plasma fasting glucose
3.5-5.5mmol/L
Biochemistry reference intervals: plasma growth hormone
<20mu/L
Biochemistry reference intervals: whole blood HbA1C (glycosylated Hb, DCCT)
4-6%
7% = good DM control
Biochemistry reference intervals: whole blood HbA1C IFCC (more specific than DCCT)
20-42mmol/mol
53 = good DM control
Biochemistry reference intervals: serum iron
14-31µmol/L (males)
11-30µmol/L (females)
Biochemistry reference intervals: plasma lactate
Venous 0.6-2.4mmol/L
Arterial (ABG) 0.6-1.8mmol/L
Biochemistry reference intervals: plasma lactate dehydrogenase (LDH)
70-250u/L
Biochemistry reference intervals: whole blood lead
<1.8mmol/L
Biochemistry reference intervals: plasma LH (premenopausal)
3-16u/L (luteal)
Biochemistry reference intervals: plasma magnesium
0.75-1.05mmol/L
Biochemistry reference intervals: plasma osmolality
278-305mosmol/kg
Biochemistry reference intervals: plasma parathyroid hormone
<0.8-8.5pmol/L
Biochemistry reference intervals: plasma potassium
3.5-5.3mmol/L
Biochemistry reference intervals: plasma prolactin
<450u/L (males)
<600u/L (females)
Biochemistry reference intervals: plasma PSA (prostate specific antigen)
0-4mcg/mL, age specific
Biochemistry reference intervals: plasma protein (total)
60-80g/L
Biochemistry reference intervals: whole blood red cell folate
0.36-1.44µmol/L
160-640mcg/L
Biochemistry reference intervals: plasma renin (erect/recumbent)
- 8-4.5/
1. 1-2.7pmol/mL/hr
Biochemistry reference intervals: plasma sodium
135-145mmol/L
Biochemistry reference intervals: plasma thyroid binding globulin (TBG)
7-17mg/L
Biochemistry reference intervals: plasma thyroid stimulating hormone (TSH)
0.5-4.2mu/L
widens with age
assays vary
4-5 is a grey area
Biochemistry reference intervals: plasma thyroxine (T4)
70-140mmol/L
Biochemistry reference intervals: plasma thyroxine (free)
9-22pmol/L
Biochemistry reference intervals: serum total iron binding capacity (TIBC)
54-75µmol/L
Biochemistry reference intervals: plasma fasting triglycerides
0.50-2.3mmol/L
Biochemistry reference intervals: plasma triiodothyronine (T3)
1.2-3.0nmol/L
Biochemistry reference intervals: plasma troponin T
<0.1mcg/L
Biochemistry reference intervals: plasma urate
210-480µmol/L (males)
150-390µmol/L (females)
Biochemistry reference intervals: plasma urea
2.5-6.7mmol/L
Biochemistry reference intervals: serum vitamin B12
0.13-0.68nmol/L
>150ng/L
Biochemistry reference intervals: serum vitamin D
50nmol/L (total)