J31.1 Chronic nasopharyngitis

Billable ICD-10-CM code, FY2026.

Excludes2 (not included here)

• acute nasopharyngitis (J00)

MS-DRG index

Defines the logic of DRG(s) 011-013 in MDC PRE.

Approximate ICD-9-CM (GEMs)

• 472.2 Chronic nasopharyngitis

Code annotations containing back-references to J31.1

Back-references to J31.1

• Type 2 Excludes: J00 Acute nasopharyngitis [common cold] ("nasopharyngitis, chronic (J31.1)")

Diagnosis Index entries for J31.1

• Atrophy, atrophic (of) › nasopharynx
• Catarrh, catarrhal (acute) (febrile) (infectious) (inflammation) › nasobronchial
• Catarrh, catarrhal (acute) (febrile) (infectious) (inflammation) › nasopharyngeal (chronic)
• Nasopharyngitis (acute) (infective) (streptococcal) (subacute) › chronic (suppurative) (ulcerative)
• Rhinopharyngitis (acute) (subacute) › chronic

Nearby codes

• J31 Chronic rhinitis, nasopharyngitis and pharyngitis
• J31.0 Chronic rhinitis
• J31.1 Chronic nasopharyngitis (this code)
• J31.2 Chronic pharyngitis