Diagnosis Code: 474.00

Short Description: Chronic tonsillitis

Long Description: Chronic tonsillitis

Code Classification:

• Diseases of the respiratory system (460–519)
  • Other diseases of upper respiratory tract (470-478)
    • 474 Chronic disease of tonsils and adenoids
      • 474.00 Chronic tonsillitis

Code Version: 2015 ICD-9-CM

References to Index of Diseases and Injuries

The code 474.00 has the following ICD-9-CM references to the Index of Diseases and Injuries

• Hypertrophy, hypertrophic
  • tonsil (faucial) (infective) (lingual) (lymphoid) 474.11
    • with
      • tonsillitis 474.00
        • and adenoiditis 474.02

• Infection, infected, infective (opportunistic) 136.9
  • focal
    • tonsils 474.00
      • and adenoids 474.02
  • lymphoid tissue, base of tongue or posterior pharynx, NEC 474.00
  • pharynx 478.29
    • posterior, lymphoid 474.00
  • tonsil (faucial) (lingual) (pharyngeal) 474.00
    • acute or subacute 463
    • and adenoid 474.02
    • tag 474.00

• Remnant
  • tonsil 474.8
    • infected 474.00

• Septic - see also condition
  • tonsils 474.00
    • and adenoids 474.02

• Tonsillitis (acute) (catarrhal) (croupous) (follicular) (gangrenous) (infective) (lacunar) (lingual) (malignant) (membranous) (phlegmonous) (pneumococcal) (pseudomembranous) (purulent) (septic) (staphylococcal) (subacute) (suppurative) (toxic) (ulcerative) (vesicular) (viral) 463
  • chronic 474.00
  • hypertrophic 474.00

Crosswalk Information

The code 474.00 converts into the following ICD-10 code(s):

Similar Codes

This page was last updated on: 10/1/2014

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