DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

J03 Acute tonsillitis

  • Header · not billable

J03 is not billable. The category heads 6 billable codes in FY2027, grouped under 3 subdivisions.

Index → code

  • Tonsillitis (acute) (catarrhal) (croupous) (follicular) (gangrenous) (infective) (lacunar) (lingual) (malignant) (membranous) (parenchymatous) (phlegmonous) (pseudomembranous) (purulent) (septic) (subacute) (suppurative) (toxic) (ulcerative) (vesicular) (viral) → J03.90
  • Adenoiditis (chronic)acute → J03.90
  • Infection, infected, infective (opportunistic)adenoid (and tonsil) → J03.90

Where it sits

  1. Chapter 10 Diseases of the respiratory system (J00-J99)
  2. J00-J06 Acute upper respiratory infections (J00-J06)
  3. J03 Acute tonsillitis
Billable codes
6
Subdivisions
3
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
17

Codes in J03

  1. J03.0
    Streptococcal tonsillitis
    Header
  2. J03.00
    Acute streptococcal tonsillitis, unspecified
    Billable
  3. J03.01
    Acute recurrent streptococcal tonsillitis
    Billable
  4. J03.8
    Acute tonsillitis due to other specified organisms
    Header
    Excludes1 5, Use additional code 1

    Excludes1

    • diphtheritic tonsillitis (A36.0) A36.0
    • herpesviral pharyngotonsillitis (B00.2) B00.2
    • streptococcal tonsillitis (J03.0) J03.0
    • tuberculous tonsillitis (A15.8) A15.8
    • Vincent's tonsillitis (A69.1) A69.1

    Use additional code

    • code (B95-B97) to identify infectious agent. B95 B97
  5. J03.80
    Acute tonsillitis due to other specified organisms
    Billable
  6. J03.81
    Acute recurrent tonsillitis due to other specified organisms
    Billable
  7. J03.9
    Acute tonsillitis, unspecified
    Header
    Inclusion terms 5, Excludes1 1

    Inclusion terms

    • Follicular tonsillitis (acute)
    • Gangrenous tonsillitis (acute)
    • Infective tonsillitis (acute)
    • Tonsillitis (acute) NOS
    • Ulcerative tonsillitis (acute)

    Excludes1

    • influenza virus with other respiratory manifestations (J09.X2, J10.1, J11.1) J09.X2 J10.1 J11.1
  8. J03.90
    Acute tonsillitis, unspecified
    Billable
  9. J03.91
    Acute recurrent tonsillitis, unspecified
    Billable

Sources of each column.

Instructions

At J03

Excludes1

  • acute sore throat (J02.-) J02
  • hypertrophy of tonsils (J35.1) J35.1
  • peritonsillar abscess (J36) J36
  • sore throat NOS (J02.9) J02.9
  • streptococcal sore throat (J02.0) J02.0

Excludes2

  • chronic tonsillitis (J35.0) J35.0

Notes that also apply

Block J00-J06 instructions (Excludes1 1): printed on the block page.

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

Index entries

  • Tonsillitis (acute) (catarrhal) (croupous) (follicular) (gangrenous) (infective) (lacunar) (lingual) (malignant) (membranous) (parenchymatous) (phlegmonous) (pseudomembranous) (purulent) (septic) (subacute) (suppurative) (toxic) (ulcerative) (vesicular) (viral) → J03.90
  • Tonsillitis (acute) (catarrhal) (croupous) (follicular) (gangrenous) (infective) (lacunar) (lingual) (malignant) (membranous) (parenchymatous) (phlegmonous) (pseudomembranous) (purulent) (septic) (subacute) (suppurative) (toxic) (ulcerative) (vesicular) (viral)streptococcal → J03.00
  • Tonsillitis (acute) (catarrhal) (croupous) (follicular) (gangrenous) (infective) (lacunar) (lingual) (malignant) (membranous) (parenchymatous) (phlegmonous) (pseudomembranous) (purulent) (septic) (subacute) (suppurative) (toxic) (ulcerative) (vesicular) (viral)specified organism NEC → J03.80
  • Tonsillitis (acute) (catarrhal) (croupous) (follicular) (gangrenous) (infective) (lacunar) (lingual) (malignant) (membranous) (parenchymatous) (phlegmonous) (pseudomembranous) (purulent) (septic) (subacute) (suppurative) (toxic) (ulcerative) (vesicular) (viral)staphylococcal → J03.80
  • Adenoiditis (chronic)acute → J03.90
  • Infection, infected, infective (opportunistic)adenoid (and tonsil) → J03.90
  • Tonsillitis (acute) (catarrhal) (croupous) (follicular) (gangrenous) (infective) (lacunar) (lingual) (malignant) (membranous) (parenchymatous) (phlegmonous) (pseudomembranous) (purulent) (septic) (subacute) (suppurative) (toxic) (ulcerative) (vesicular) (viral)recurrent → J03.91
  • Adenoiditis (chronic)acutestreptococcal → J03.00
  • Tonsillitis (acute) (catarrhal) (croupous) (follicular) (gangrenous) (infective) (lacunar) (lingual) (malignant) (membranous) (parenchymatous) (phlegmonous) (pseudomembranous) (purulent) (septic) (subacute) (suppurative) (toxic) (ulcerative) (vesicular) (viral)streptococcalrecurrent → J03.01
  • Adenoiditis (chronic)acutespecified organism NEC → J03.80
  • Adenoiditis (chronic)acutestaphylococcal → J03.80
  • Tonsillitis (acute) (catarrhal) (croupous) (follicular) (gangrenous) (infective) (lacunar) (lingual) (malignant) (membranous) (parenchymatous) (phlegmonous) (pseudomembranous) (purulent) (septic) (subacute) (suppurative) (toxic) (ulcerative) (vesicular) (viral)specified organism NECrecurrent → J03.81
  • Tonsillitis (acute) (catarrhal) (croupous) (follicular) (gangrenous) (infective) (lacunar) (lingual) (malignant) (membranous) (parenchymatous) (phlegmonous) (pseudomembranous) (purulent) (septic) (subacute) (suppurative) (toxic) (ulcerative) (vesicular) (viral)staphylococcalrecurrent → J03.81
  • Adenoiditis (chronic)acuterecurrent → J03.91
  • Adenoiditis (chronic)acutestreptococcalrecurrent → J03.01
  • Adenoiditis (chronic)acutespecified organism NECrecurrent → J03.81
  • Adenoiditis (chronic)acutestaphylococcalrecurrent → J03.81

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

Hierarchy