ICD-10-CM 2027
ICD-10 code for adenoid tissue polyp
From the official ICD-10-CM alphabetic index entry “Polyp, polypus › adenoid tissue”. Page updated September 29, 2026.
About coding adenoid tissue polyp
The ICD-10-CM code for adenoid tissue polyp is J33.0 (Polyp of nasal cavity).
Within J33 (nasal polyp), J33.0 is specifically for polyp of nasal cavity. Related codes cover Polypoid sinus degeneration (J33.1), other polyp of sinus (J33.8) and unspecified (J33.9).
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) and DRG 156 (Other Ear, Nose, Mouth and Throat Diagnoses without CC/MCC, relative weight 0.6659), in MDC 03 (Diseases and Disorders of the Ear, Nose, Mouth and Throat), 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 adenoid tissue polyp ICD-10 codes
What is the ICD-10 code for adenoid tissue polyp?
- J33.0 — Polyp of nasal cavity.
Is J33.0 billable?
- Yes. J33.0 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can J33.0 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict J33.0 as a principal diagnosis.
Is J33.0 a CC or MCC?
- No. J33.0 is neither a CC nor an MCC under MS-DRG v44.0.