J02.9

Billable
ChapterJ00–J99
Ranksubcategory
Official Description

Acute pharyngitis, unspecified

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 10: Diseases of the Respiratory System (J00-J99).

Instructional Notes

Includes
  • Gangrenous pharyngitis (acute)
  • Infective pharyngitis (acute) NOS
  • Pharyngitis (acute) NOS
  • Sore throat (acute) NOS
  • Suppurative pharyngitis (acute)
  • Ulcerative pharyngitis (acute)
Excludes1(Not coded here)
General instructions are available for the parent sections:
View CH10 NotesView J00-J06 NotesView J02 Notes

Clinical Hierarchy

CH10Diseases of the respiratory system (J00-J99)
J00-J06Acute upper respiratory infections (J00-J06)
J02Acute pharyngitis
J02.9Acute pharyngitis, unspecified

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to J02.9:

categoryJ02
Acute pharyngitis
View context instructions
blockJ00-J06
Acute upper respiratory infections (J00-J06)
View context instructions
chapterCH10
Diseases of the respiratory system (J00-J99)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to J02.9. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

6 raw paths
Faucitis1 unique routes
Direct index entry→J02.9
Necrosis, necrotic (ischemic)1 unique routes
pharynx→J02.9
Pharyngitis (acute) (catarrhal)(gangrenous) (infective) (malignant) (membranous) (phlegmonous) (pseudomembranous) (simple) (subacute) (suppurative) (ulcerative) (viral)3 unique routes
Direct index entry→J02.9
purulent→J02.9
putrid→J02.9
Ulcer, ulcerated, ulcerating, ulceration, ulcerative1 unique routes
sore throat→J02.9

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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