J31.1
Billable codeChronic nasopharyngitis
The ICD-10 code for chronic nasopharyngitis is J31.1.
Clinical notes
Excludes2 (not included here)
An Excludes2 note means the excluded condition is not part of this one, but a patient can have both at the same time — in that case both codes may be reported together.
- acute nasopharyngitis (J00)
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- J31.0Chronic rhinitis
- J31.2Chronic pharyngitis
- J31.1Chronic nasopharyngitis
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 4722
Associated MS-DRGs
J31.1 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.
- DRG 011Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy with MCC
- DRG 012Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy with CC
- DRG 013Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy without CC/MCC
- DRG 152Otitis Media and URI with MCC
- DRG 153Otitis Media and URI without MCC