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    v1.0.28
    OpenPayerBilling CodesOther diseases of upper respiratory tractICD-10-CM j33-nasal-polyp
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    ICD-10-CM Code For Nasal Polyp: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group J33 includes benign mucosal growths of the nasal cavity and paranasal sinuses, specifically nasal polyps and related obstructive lesions. These ICD-10-CM diagnosis codes are used to document presenting problems such as nasal obstruction, chronic rhinosinusitis with polyps, and recurrent sinonasal disease, capturing severity and anatomic involvement. Accurate coding within the ICD-10-CM J33 group supports proper claim adjudication and appropriate reimbursement.

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    ICD-10-CM J33: Nasal Polyp Overview

    The ICD-10-CM J33 group includes diagnoses for benign inflammatory growths of the nasal mucosa and paranasal sinuses known as nasal polyps. These conditions affect the upper respiratory tract and can contribute to nasal obstruction, chronic rhinosinusitis, and impaired sinus drainage. Accurate coding supports proper claim adjudication and reflects clinical complexity for reimbursement.

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    When to Use

    Use a code from this group when a clinical diagnosis of nasal polyps or polypoid obstruction of the nasal passages is documented. Select the code that reflects laterality and any documented association with chronic rhinosinusitis or recurrent sinonasal disease.

    ICD-10-CM Codes

    4 rows

    ICD-10-CM CodeDescription
    J33.0Polyp of nasal cavity
    J33.1Polypoid sinus degeneration
    J33.8Other polyp of sinus
    J33.9Nasal polyp, unspecified

    DRG Codes

    3 rows

    DRG CodeDescription
    154Other Ear, Nose, Mouth and Throat Diagnoses with MCC
    155Other Ear, Nose, Mouth and Throat Diagnoses with CC
    156Other Ear, Nose, Mouth and Throat Diagnoses without CC/MCC

    Typical Clinical Scenarios

    • A 28-year-old otherwise healthy adult presents to primary care with months of unilateral nasal obstruction, decreased sense of smell, and clear rhinorrhea that worsen during allergy season. Anterior rhinoscopy and nasal endoscopy reveal a visible pale, polypoid mass arising from the middle meatus consistent with a single ethmoidal polyp; symptoms are chronic and localized without evidence of bilateral disease. A diagnosis from this group is assigned to document the localized single polyp as the cause of chronic nasal obstruction. Typical codes: J33.0, J33.9
    • A 45-year-old patient with longstanding allergic rhinitis and chronic rhinosinusitis reports progressive bilateral nasal congestion, anosmia, and recurrent sinus infections despite medical therapy. Nasal endoscopy shows bilateral multiple polypoid masses occupying both nasal cavities and imaging confirms extensive sinonasal polyposis contributing to recurrent sinus disease; the chronic, bilateral nature of the polyps is the primary problem addressed during the visit. A code from this group is used to capture bilateral polyps associated with chronic sinonasal inflammation. Typical codes: J33.1, J33.8
    • A 62-year-old diabetic patient presents to the emergency department with acute onset facial pain, purulent nasal discharge, fever, and marked unilateral nasal obstruction; exam reveals a large obstructing nasal polyp with superimposed acute bacterial sinusitis requiring urgent management. Because the polyp is acting as a comorbid obstructive lesion complicating acute sinus infection and influencing urgent treatment decisions, a diagnosis from this group is assigned alongside the acute infectious diagnosis. Typical codes: J33.8, J33.9

    Related Codes

    J30-VASOMOTOR-AND-ALLERGIC-RHINITIS

    ICD-10-CM Code For Vasomotor And Allergic Rhinitis: Group Overview

    J31-CHRONIC-RHINITIS-NASOPHARYNGITIS-PHARYNGITIS

    ICD-10-CM Code For Chronic Rhinitis Nasopharyngitis And Pharyngitis: Group Overview

    J32-CHRONIC-SINUSITIS

    ICD-10-CM Code For Chronic Sinusitis: Group Overview

    J34-OTHER-AND-UNSPECIFIED-NASAL-DISORDERS

    ICD-10-CM Code For Other And Unspecified Disorders Of Nose And Nasal Sinuses: Group Overview

    J35-CHRONIC-DISEASES-OF-TONSILS-AND-ADENOIDS

    ICD-10-CM Code For Chronic Diseases Of Tonsils And Adenoids: Group Overview

    J36-PERITONSILLAR-ABSCESS

    ICD-10-CM Code For Peritonsillar Abscess: Group Overview

    J37-CHRONIC-LARYNGITIS-AND-LARYNGOTRACHEITIS

    ICD-10-CM Code For Chronic Laryngitis And Laryngotracheitis: Group Overview

    J38-DISEASES-OF-VOCAL-CORDS-AND-LARYNX

    ICD-10-CM Code For Diseases Of Vocal Cords And Larynx: Group Overview

    J39-OTHER-DISEASES-OF-UPPER-RESPIRATORY-TRACT

    ICD-10-CM Code For Other Diseases Of Upper Respiratory Tract: Group Overview

    Frequently Asked Questions

    References

    1. 1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
    2. 2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
    3. 3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.
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