Table 1 ICPC-1 codes used to identify infants who had visited with symptoms potentially suggestive of CMA

A12 Allergy

R02 Dyspnoea

A14 Colics in infants

R03 Wheezing

A15 Excessive crying infant

R07 Sneeze, rhinitis, nasal discharge

A16 Irritable/hyperactive infant

R29 Other symptoms respiratory tract

A17 General symptoms/complaints infant

R96.01 Airway hyperreactivity

A29 Other general symptoms

R97 Allergic rhinitis

D10 Vomiting

S06 Local redness/erythema skin

D11 Diarrhea

S07 Generalized redness/erythema skin

D12 Constipation

S21 Other symptoms/complaints aspect skin

D16 Rectal bleeding

S29 Other symptoms/complaints skin/subcutis

D18 Altered defecation

S87 Constitutional eczema

D20 Complaints mouth

S98 Urticaria

D29 Other symptoms/complaints gastrointestinal tract

S99 Other diseases skin/subcutis

F71 Allergic conjunctivitis

T04 Nutritional problems infant