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Table 3 Top Diagnosis Codes (ICD 9) in consultation organized by subspecialty

From: Consultation diagnoses and procedures billed among recent graduates practicing general otolaryngology – head & neck surgery in Ontario, Canada

Rank ICD-9 Otology (42.3%) % ICD-9 General (35.0%) %
1 389 Deafness 29.9 786 Signs/Symptoms not yet diagnosed - Respiratory System - Epistaxis, Hemoptysis 25.1
2 388 Wax or cerumen in ear, other disorders of ear and mastoid, tinnitus 20.3 474 Hypertrophy or Chronic Infection of Tonsils and/or Adenoids 17.6
3 381 Serous otitis media, eustachian tube disorders 19.5 464 Acute Laryngitis, Tracheitis, Croup, Epiglottis 14.8
4 780 Signs/symptoms not yet diagnosed - nervous system - Convulsions, Ataxia 14.5 463 Acute Tonsillitis 5.8
5 380 Otitis Externa 6.9 226 Benign Neoplasms - Thyroid e.g. Adenoma or Cystadenoma 4.4
6 386 Meniere’s Disease, Labyrinthitis 2.9 527 Disease of Salivary Glands 4.0
7 382 Suppurative Otitis Media 2.5 210 Benign Neoplasms - Lip, Oral Cavity, Pharynx 3.4
8 384 Perforation of Tympanic Membrane 2.5 529 Glossitis 2.5
9 387 Otosclerosis 0.6 528 Stomatitis, Aphthous Ulcers 2.5
10 383 Mastoiditis 0.3 530 Esophagitis, Cardiospasm, Ulcer of Esophagus, Stricture, Stenosis 2.0
Rank ICD-9 Rhinology (17.2%) % ICD-9 Facial Plastics (0.7%)  
1 477 Allergic Rhinitis, Hay Fever 28.4 802 Fractures and Fracture/Dislocations - Facial Bones 93.5
2 470 Deviated Nasal Septum 24.4 829 Fractures and Fracture/Dislocations - all other fractures 3.5
3 473 Chronic Sinusitis 21.7 803 Fractures and Fracture/Dislocations - Skull 3.0
4 461 Acute Sinusitis 14.1    
5 471 Nasal Polyp 10.4
6 160 Nasal Cavities, Middle Ear and Accessory Sinuses 1.0
Rank ICD-9 Head and Neck (2.6%) % ICD-9 Endocrine (1.7%) %
1 173 Other skin malignancies 58.4 245 Thyroiditis 27.8
2 161 Malignant Neoplasms - Larynx, Trachea 16.1 193 Malignant Neoplasms - Thyroid 22.0
3 141 Malignant Neoplasms -Tongue 8.7 241 Nontoxic Nodular Goitre 21.2
4 202 Other Malignant Neoplasms 3.6 240 Simple Thyroid Goiter 14.0
5 239 Unspecified Neoplasms e.g. Polycythemia Vera 2.6 252 Parathyroid Gland Disorders 5.1
6 172 Malignant Neoplasms - Melanoma of Skin 2.3 242 Hyperthyroidism, Thyrotoxicosis, Exophthalmic Goitre 4.2
7 142 Major Salivary Glands 1.9 237 Endocrine Glands and Nervous System 2.7
8 140 Malignant Neoplasms - Lip 1.2 259 Other Endocrine Disorders 1.5
9 196 Secondary Neoplasm of Lymph Nodes 1.2 253 Pituitary Gland Disorders 0.9
10 200 Malignant Neoplasms - Lymphosarcoma, Recticulum Cell Sarcoma 0.9 227 Other Endocrine Glands and Related Structures 0.3