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Table 1 Top 55 screening LP ranked according to total frequencies. LP are listed using UMLS and LOINC Terminologies

From: ELaPro, a LOINC-mapped core dataset for top laboratory procedures of eligibility screening for clinical trials

Rank

1ry LOINC Code

UMLS Lab. Procedure

UMLS Definition

nTotal

1

59,826–8

C3525719

Measurement of creatinine in blood

1817

2

7918–6

C3714540

HIV Antibody Measurement

1670

3

13,955–0

C0201487

Hepatitis C antibody measurement

1595

4

76,625–3

C0201836

Alanine aminotransferase measurement

1464

5

63,557–3

C0201477

Hepatitis B surface antigen measurement

1462

6

2106–3

C0546577

HCG Pregnancy Test

1383

7

26,515–7

C0032181

Platelet Count measurement

1381

8

1920–8

C0201899

Aspartate aminotransferase measurement

1303

9

54,363–7

C0201913

Bilirubin, total measurement

1265

10

4548–4

C0474680

Hemoglobin A1c measurement

1021

11

59,260–0

C0518015

Hemoglobin measurement

968

12

26,511–6

C0948762

Absolute neutrophil count

851

13

2164–2

C0373595

Creatinine clearance measurement

758

14

15,074–8

C0392201

Blood glucose measurement

633

15

69,405–9

C3811844

Estimated Glomerular Filtration Rate

513

16

26,464–8

C0023508

White Blood Cell Count procedure

487

17

19,197–3

C0201544

Prostate specific antigen measurement

471

18

77,145–1

C0428568

Fasting blood glucose measurement

400

19

5010–4

C1533728

Hepatitis C virus genotype determination

352

20

72,383–3

C5189164

HER2 in tissue by immunoassay

324

21

1783–0

C0201850

Alkaline phosphatase measurement

287

22

14,130–9

C3811131

Estrogen Receptor Measurement

283

23

10,676–5

C1868902

HCV viral load

257

24

70,218–3

C0202236

Triglycerides measurement

195

25

6298–4

C0729816

Blood potassium measurement

194

26

34,714–6

C0525032

International Normalized Ratio

191

27

40,557–1

C0373717

Progesterone receptor assay

180

28

1996–8

C0201925

Calcium measurement

171

29

5964–2

C0033707

Prothrombin time assay

137

30

14,913–8

C0853134

blood testosterone measurement

131

31

54,347–0

C0201838

Albumin measurement

130

32

14,647–2

C0201950

Cholesterol measurement test

130

33

22,748–8

C0202117

Low density lipoprotein cholesterol measurement

126

34

69,739–1

C0202274

Urine drug screen

124

35

26,446–5

C2697913

Leukemic Blast Count

122

36

1986–9

C0202100

Insulin C-peptide measurement

118

37

13,954–3

C3835873

Serum Hepatitis B E Antigen, qualitative

113

38

3015–5

C0202230

Thyroid stimulating hormone measurement

111

39

50,564–4

C0042014

Urinalysis

102

40

33,763–4

C1533071

N terminal pro-brain natriuretic peptide level

99

41

82,904–4

C2074589

chromosome studies Philadelphia

95

42

20,570–8

C0018935

Hematocrit procedure

93

43

3173–2

C0030605

Activated Partial Thromboplastin Time measurement

93

44

83,098–4

C0202022

Follicle stimulating hormone measurement

83

45

53,962–7

C0201539

Alpha one fetoprotein measurement

80

46

10,438–0

C3540684

CD20 Expressing Cell Measurement

76

47

76,485–2

C0201657

C-reactive protein measurement

74

48

58,410–2

C0009555

Complete Blood Count

71

49

42,595–9

C3641250

Hepatitis B DNA Measurement

68

50

14,646–4

C0428472

Serum HDL cholesterol measurement

63

51

20,564–1

C0523807

Oxygen saturation measurement

60

52

30,395–8

C0857490

Granulocyte count

58

53

29,760–6

C0201916

Bilirubin, direct measurement

53

54

72,903–8

C0005845

Blood urea nitrogen measurement

51

55

1992–7

C0201924

Calcitonin measurement

50