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Table 1 Categories of read or ICD 10 codes that might be associated with a hospital admission for upper gastrointestinal haemorrhage

From: Defining upper gastrointestinal bleeding from linked primary and secondary care data and the effect on occurrence and 28 day mortality

Category Order

Group name

Group definition

Probable or possible codes

1

Upper GI bleed cause

Code for known upper GI bleed diagnosis or cause. e.g. ulcer, oesophagitis, NSAID or Aspirin use, cirrhosis, upper GI malignancy etc.

Probable

2

Upper GI bleed symptom

Symptoms indicating upper GI bleed e.g. melaena, haematemesis etc.

Probable

3

Upper GI endoscopy

Any upper GI endoscopy code (Not ERCP/EUS).

Probable

4

Death (any cause)

Any code associated with death.

Probable

5

Blood transfusion

Any code for blood transfusion or cross matching.

Probable

6

Upper GI procedure

Any code for an upper GI procedure plausible for managing a bleeding episode.

Probable

7

GI bleed symptom

Any general code for GI bleed (not specifically upper or lower).

Probable

8

Upper GI diagnosis

Any other code for an upper GI pathology that might be associated with an upper GI bleed.

Possible

9

Hospital

Any code for referral, admission or discharge to hospital in a general or related specialty.

Possible

10

Upper GI symptom

Any other code for symptoms of upper GI pathology e.g. vomiting.

Possible

11

GI symptom or diagnosis

Other GI diagnoses or non specific GI symptoms(e.g. pain) excluding lower GI symptoms.

Possible

12

Alcohol

Any code indicating alcohol consumption or complications.

Possible

13

Anaemia

Any code for anaemia excluding chronic deficiency anaemias and fatigue.

Possible

14

Coagulation

Any code indicating primary or secondary clotting abnormality, or use of anti coagulation therapy.

Possible

15

Collapse

Any code indicating collapse, fall or loss of consciousness.

Possible

16

Other codes

Other codes specifying a change in health state with no specific diagnosis

Possible

  1. Listed in Order of how Probable a Code Category Would be Associated with an Upper Gastrointestinal Haemorrhage Admission (1=Most Probable).