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Table 1 Weight measurement and unexpected weight loss codes

From: Weight loss as a predictor of cancer and serious disease in primary care: an ISAC-approved CPRD protocol for a retrospective cohort study using routinely collected primary care data from the UK

Unexpected weight loss codes

Medcode

Readcode

Readterm

126

22A6.00

O/E—underweight

654

1623

Weight decreasing

1581

162..00

Weight symptom

3647

R032.00

[D]Abnormal loss of weight

4663

1625

Abnormal weight loss

5812

1625.11

Abnormal weight loss—symptom

12,398

1D1A.00

Complaining of weight loss

12,530

R034800

[D]Underweight

14,764

162Z.00

Weight symptom NOS

22,005

2224

O/E—cachexic

24,068

R2y4.00

[D]Cachexia

32,914

22K3.00

Body Mass Index low K/M2

37,937

22A8.00

Weight loss from baseline weight

42,309

22A7.00

Baseline weight

53,801

R2y4z00

[D]Cachexia NOS

102,563

1627

Unintentional weight loss

Weight measurement codes

2

22A..00

O/E—weight

8105

22K..00

Body mass index

9015

22K4.00

Body mass index 25–29—overweight

13,278

22K5.00

Body mass index 30+—obesity

21,520

22AZ.00

O/E—weight NOS

22,556

22K7.00

Body mass index 40+—severely obese

24,496

22K6.00

Body mass index less than 20

28,937

22K2.00

Body mass index high K/M2

28,946

22K1.00

Body mass index normal K/M2

44,291

22K8.00

Body mass index 20–24—normal

101,047

22K9.00

Body mass index centile

105,791

22K9000

Baseline body mass index centile

105,800

22KB.00

Baseline body mass index

107,231

22KA.00

Target body mass index