Table 1. Frequently used Read codes by GPs to record anxiety diagnoses, symptoms, mixed anxiety and depression and panic.

Description of Read code	FrequencyN (%)
Anxiety diagnoses
Anxiety states	102294 (82.9)
Anxiety state NOS	8367 (6.8)
Generalised anxiety disorder	3683 (3.0)
[X]Generalized anxiety disorder	3133 (2.5)
Chronic anxiety	2120 (1.7)
Anxiety symptoms
Anxiousness - symptom	71089 (64.8)
Anxiousness	35393 (32.3)
Tension - nervous	1112 (1.0)
‘Nerves’	1014 (0.9)
[D]Nervousness	455 (0.4)
Mixed anxiety and depression
Anxiety with depression	71342 (95.3)
[X]Mixed anxiety and depressive disorder	3177 (4.2)
[X]Mild anxiety depression	336 (0.4)
Panic attacks
Panic attack	33651 (80.6)
C/O - panic attack	7200 (17.2)
[X]Panic attack	624 (1.5)
[X]Panic state	299 (0.7)
Panic disorder
Panic disorder	13538 (92.7)
[X]Panic disorder [episodic paroxysmal anxiety]	1064 (7.3)

[X]  =  These Read Codes were added to the original Read code dictionary, to ensure mapping to all ICD codes.

[D]  =  Working diagnosis.

C/O  =  Short-hand notation for Complaining of (commonly used by doctors to record symptoms in the UK).