ICD-10-CM 2027
ICD-10 code for nose disease
From the official ICD-10-CM alphabetic index entry “Disease, diseased › nose”. Page updated September 29, 2026.
About coding nose disease
The ICD-10-CM code for nose disease is J34.9 (Unspecified disorder of nose and nasal sinuses).
Within J34, choose J34.9 (Unspecified disorder of nose and nasal sinuses) only when documentation doesn't support a more specific option: abscess, furuncle and carbuncle of nose (J34.0), cyst and mucocele of nose and nasal sinus (J34.1), Deviated nasal septum (J34.2), hypertrophy of nasal turbinates (J34.3) and other specified disorders of nose and nasal sinuses (J34.8).
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
In MS-DRG v44.0, it is part of the grouping logic for DRG 154 (Other Ear, Nose, Mouth and Throat Diagnoses with MCC, relative weight 1.5921), DRG 155 (Other Ear, Nose, Mouth and Throat Diagnoses with CC, relative weight 0.9322), DRG 156 (Other Ear, Nose, Mouth and Throat Diagnoses without CC/MCC, relative weight 0.6659) and DRG 795 (Normal Newborn, relative weight 0.2022), in MDC 03 (Diseases and Disorders of the Ear, Nose, Mouth and Throat) and MDC 15 (Newborns and Other Neonates with Conditions Originating in the Perinatal Period), as a principal or secondary diagnosis. The DRG a claim lands in depends on the principal diagnosis, procedures and any CC/MCC secondary diagnoses.
Common questions about nose disease ICD-10 codes
What is the ICD-10 code for nose disease?
- J34.9 — Unspecified disorder of nose and nasal sinuses.
Is J34.9 billable?
- Yes. J34.9 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can J34.9 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict J34.9 as a principal diagnosis.
Is J34.9 a CC or MCC?
- No. J34.9 is neither a CC nor an MCC under MS-DRG v44.0.