DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

J35 Chronic diseases of tonsils and adenoids

  • Header · not billable

J35 is not billable. The category heads 8 billable codes in FY2027, grouped under 6 subdivisions.

Index → code

Where it sits

  1. Chapter 10 Diseases of the respiratory system (J00-J99)
  2. J30-J39 Other diseases of upper respiratory tract (J30-J39)
  3. J35 Chronic diseases of tonsils and adenoids
Billable codes
8
Subdivisions
6
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
53

Codes in J35

  1. J35.0
    Chronic tonsillitis and adenoiditis
    Header
    Excludes2 1

    Excludes2

    • acute tonsillitis (J03.-) J03
  2. J35.01
    Chronic tonsillitis
    Billable
  3. J35.02
    Chronic adenoiditis
    Billable
  4. J35.03
    Chronic tonsillitis and adenoiditis
    Billable
  5. J35.1
    Hypertrophy of tonsils
    Billable
    Inclusion terms 1, Excludes1 1

    Inclusion terms

    • Enlargement of tonsils

    Excludes1

    • hypertrophy of tonsils with tonsillitis (J35.0-) J35.0
  6. J35.2
    Hypertrophy of adenoids
    Billable
    Inclusion terms 1, Excludes1 1

    Inclusion terms

    • Enlargement of adenoids

    Excludes1

    • hypertrophy of adenoids with adenoiditis (J35.0-) J35.0
  7. J35.3
    Hypertrophy of tonsils with hypertrophy of adenoids
    Billable
    Excludes1 1

    Excludes1

    • hypertrophy of tonsils and adenoids with tonsillitis and adenoiditis (J35.03) J35.03
  8. J35.8
    Other chronic diseases of tonsils and adenoids
    Billable
    Inclusion terms 6

    Inclusion terms

    • Adenoid vegetations
    • Amygdalolith
    • Calculus, tonsil
    • Cicatrix of tonsil (and adenoid)
    • Tonsillar tag
    • Ulcer of tonsil
  9. J35.9
    Chronic disease of tonsils and adenoids, unspecified
    Billable
    Inclusion terms 1

    Inclusion terms

    • Disease (chronic) of tonsils and adenoids NOS

Sources of each column.

Instructions

Notes that also apply

Chapter 10 instructions (Notes 1, Excludes2 9, Use additional code 7): printed on the chapter 10 page.

Index entries

  • Adenoiditis (chronic) → J35.02
  • Amygdalolith → J35.8
  • Septictonsils, chronic → J35.01
  • Tonsillitis (acute) (catarrhal) (croupous) (follicular) (gangrenous) (infective) (lacunar) (lingual) (malignant) (membranous) (parenchymatous) (phlegmonous) (pseudomembranous) (purulent) (septic) (subacute) (suppurative) (toxic) (ulcerative) (vesicular) (viral)chronic → J35.01
  • Tonsillitis (acute) (catarrhal) (croupous) (follicular) (gangrenous) (infective) (lacunar) (lingual) (malignant) (membranous) (parenchymatous) (phlegmonous) (pseudomembranous) (purulent) (septic) (subacute) (suppurative) (toxic) (ulcerative) (vesicular) (viral)hypertrophic → J35.01
  • Adenoiditis (chronic)with tonsillitis → J35.03
  • Infection, infected, infective (opportunistic)lymphoid tissue, base of tongue or posterior pharynx, NEC (chronic) → J35.03
  • Enlargement, enlargedtonsils → J35.1
  • Hyperplasia, hyperplastictonsils (faucial) (infective) (lingual) (lymphoid) → J35.1
  • Hypertrophy, hypertrophiclingual tonsil (infective) → J35.1
  • Hypertrophy, hypertrophictonsils (faucial) (infective) (lingual) (lymphoid) → J35.1
  • Enlargement, enlargedadenoids → J35.2
  • Hyperplasia, hyperplasticadenoids → J35.2
  • Hypertrophy, hypertrophicadenoids (infective) → J35.2
  • Hypertrophy, hypertrophicnasopharynx, lymphoid (infectional) (tissue) (wall) → J35.2
  • Hypertrophy, hypertrophicpharyngeal tonsil → J35.2
  • Calculus, calculi, calculoustonsil → J35.8
  • Cicatrix (adherent) (contracted) (painful) (vicious)adenoid (and tonsil) → J35.8
  • Cicatrix (adherent) (contracted) (painful) (vicious)tonsil (and adenoid) → J35.8
  • Concretiontonsil → J35.8
  • Cyst (colloid) (mucous) (simple) (retention)adenoid (infected) → J35.8
  • Cyst (colloid) (mucous) (simple) (retention)tonsil → J35.8
  • Growth (fungoid) (neoplastic) (new)adenoid (vegetative) → J35.8
  • Hemorrhage, hemorrhagic (concealed)adenoid → J35.8
  • Hemorrhage, hemorrhagic (concealed)peritonsillar tissue → J35.8
  • Hemorrhage, hemorrhagic (concealed)tonsil → J35.8
  • Keratosistonsillaris → J35.8
  • Necrosis, necrotic (ischemic)tonsil → J35.8
  • Plicatonsil → J35.8
  • Remnanttonsil → J35.8
  • Rupture, rupturedtonsil → J35.8
  • Tag (hypertrophied skin) (infected)adenoid → J35.8
  • Tag (hypertrophied skin) (infected)tonsil → J35.8
  • Ulcer, ulcerated, ulcerating, ulceration, ulcerativeperitonsillar → J35.8
  • Ulcer, ulcerated, ulcerating, ulceration, ulcerativetonsil → J35.8
  • Vegetation, vegetativeadenoid (nasal fossa) → J35.8
  • Disease, diseasedadenoids (and tonsils) → J35.9
  • Disease, diseasedtonsils, tonsillar (and adenoids) → J35.9
  • Lesion(s) (nontraumatic)tonsillar fossa → J35.9
  • Infection, infected, infective (opportunistic)focaltonsils → J35.01

13 more, longer entries are not listed; the search box finds them by word.

NCHS Alphabetic Index. Index first, then the Tabular List.

Hierarchy