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ICD-10 Code J35.8: Other chronic diseases of tonsils and adenoids

J35.8 is a billable ICD-10 diagnosis code used to classify Other chronic diseases of tonsils and adenoids in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the respiratory system (J00-J99).

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the respiratory system (J00-J99).

When is it used?

  • May be used when a clinician documents other chronic diseases of tonsils and adenoids in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
10Diseases of the respiratory system (J00-J99)
block
J30-J39Other diseases of upper respiratory tract
category
J35Chronic diseases of tonsils and adenoids
currentJ35

Official coding notes

Inclusion terms
  • Adenoid vegetations
  • Amygdalolith
  • Calculus, tonsil
  • Cicatrix of tonsil (and adenoid)
  • Tonsillar tag
  • Ulcer of tonsil

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

PulmonologistGeneral Physician

Coding guidelines

Compatibility

Legacy and official ICD code match exactly.
Legacy codes
J35.8

Common synonyms

Other chronic diseases of tonsils and adenoids

Frequently asked questions

Code details

CodeJ35.8
SystemICD10
Display nameOther chronic diseases of tonsils and adenoids
ChapterDiseases of the respiratory system (J00-J99)
BlockOther diseases of upper respiratory tract

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
AmygdalolithCalculus, calculi, calculousCicatrix(adherent) (contracted) (painful) (vicious)Cicatrix(adherent) (contracted) (painful) (vicious)ConcretionCyst(colloid) (mucous) (simple) (retention)Cyst(colloid) (mucous) (simple) (retention)Growth(fungoid) (neoplastic) (new)Hemorrhage, hemorrhagic(concealed)Hemorrhage, hemorrhagic(concealed)Hemorrhage, hemorrhagic(concealed)Keratosis

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.