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Table 5 Most frequent ICD codes by chapter for patients’ non-cancer specialist visits

From: Non-oncology physician visits after diagnosis of cancer in children

Chapter ICD code Number Percent
Signs & symptoms General symptoms 510 19.0
Symptoms involving respiratory system 394 14.7
Pyrexia of unknown origin 274 10.2
Other nonspecific abnormal findings 173 6.4
Symptoms involving nervous and musculoskeletal systems 147 5.5
Additional codes Laboratory 12843 82.8
Ear tests 1961 12.6
X-Ray 268 1.7
Eye tests 131 .8
Abdominal pain 127 .8
Nervous system Other conditions of brain 383 12.2
Nonsuppurative otitis media and eustachian tube disorders 286 9.1
Strabismus and other disorders of binocular eye movements 286 9.1
Epilepsy 246 7.8
Suppurative and unspecified otitis media 179 5.7
Injuries & poisoning Other complications of procedures, not elsewhere classified 437 38.5
Complications peculiar to certain specified procedures 107 9.4
Complications of medical care, not elsewhere classified 96 8.5
Fracture of radius and ulna 44 3.9
Fracture of tibia and fibula 40 3.5