DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

J05 Acute obstructive laryngitis [croup] and epiglottitis

  • Header · not billable

J05 is not billable. The category heads 3 billable codes in FY2027, grouped under 2 subdivisions.

Index → code

  • Epiglottitis, epiglottiditis (acute) → J05.10
  • Croup, croupous (catarrhal) (infectious) (inflammatory) (nondiphtheritic) → J05.0
  • Syndromecroup → J05.0

Where it sits

  1. Chapter 10 Diseases of the respiratory system (J00-J99)
  2. J00-J06 Acute upper respiratory infections (J00-J06)
  3. J05 Acute obstructive laryngitis [croup] and epiglottitis
Billable codes
3
Subdivisions
2
CC / MCC codes
1 / 1
HCC V28 codes
0
New FY2027
0
Index entries
11

Codes in J05

  1. J05.0
    Acute obstructive laryngitis [croup]
    Billable
    Inclusion terms 2

    Inclusion terms

    • Obstructive laryngitis (acute) NOS
    • Obstructive laryngotracheitis NOS
  2. J05.1
    Acute epiglottitis
    Header
    Excludes2 1

    Excludes2

    • epiglottitis, chronic (J37.0) J37.0
  3. J05.10
    Acute epiglottitis without obstruction
    BillableCC
    Inclusion terms 1

    Inclusion terms

    • Epiglottitis NOS
  4. J05.11
    Acute epiglottitis with obstruction
    BillableMCC

CC/MCC: as a secondary diagnosis, unless the principal diagnosis is on the code’s PDX exclusion list (MS-DRG v44 Appendix C; list on the code card).

Sources of each column.

Instructions

At J05

Use additional code

  • code (B95-B97) to identify infectious agent. B95 B97

Code also

  • , influenza, if present, such as:
  • influenza due to identified novel influenza A virus with other respiratory manifestations (J09.X2) J09.X2
  • influenza due to other identified influenza virus with other respiratory manifestations (J10.1) J10.1
  • influenza due to unidentified influenza virus with other respiratory manifestations (J11.1) J11.1

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

  • Croup, croupous (catarrhal) (infectious) (inflammatory) (nondiphtheritic) → J05.0
  • Epiglottitis, epiglottiditis (acute) → J05.10
  • Angina (attack) (cardiac) (chest) (heart) (pectoris) (syndrome) (vasomotor)croupous → J05.0
  • Angina (attack) (cardiac) (chest) (heart) (pectoris) (syndrome) (vasomotor)membranous → J05.0
  • Angina (attack) (cardiac) (chest) (heart) (pectoris) (syndrome) (vasomotor)trachealis → J05.0
  • Laryngitis (acute) (edematous) (fibrinous) (infective) (infiltrative) (malignant) (membranous) (phlegmonous) (pneumococcal) (pseudomembranous) (septic) (subglottic) (suppurative) (ulcerative)obstructive → J05.0
  • Laryngitis (acute) (edematous) (fibrinous) (infective) (infiltrative) (malignant) (membranous) (phlegmonous) (pneumococcal) (pseudomembranous) (septic) (subglottic) (suppurative) (ulcerative)spasmodic → J05.0
  • Laryngitis (acute) (edematous) (fibrinous) (infective) (infiltrative) (malignant) (membranous) (phlegmonous) (pneumococcal) (pseudomembranous) (septic) (subglottic) (suppurative) (ulcerative)stridulous → J05.0
  • Syndromecroup → J05.0
  • Epiglottitis, epiglottiditis (acute)with obstruction → J05.11
  • Laryngotracheitis (acute) (Infectional) (infective) (viral)spasmodicacute → J05.0

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

Hierarchy