J32.1 Chronic frontal sinusitis

Billable ICD-10-CM code, FY2026.

Applicable to

• Frontal sinusitis NOS

Applies from J32 Chronic sinusitis

Includes

• sinus abscess
• sinus empyema
• sinus infection
• sinus suppuration

Excludes2 (not included here)

• acute sinusitis (J01.-)

Use additional code

• code to identify:
• infectious agent (B95-B97)

MS-DRG index

Defines the logic of DRG(s) 152-153 in MDC 03.

Approximate ICD-9-CM (GEMs)

• 473.1 Chronic frontal sinusitis

Code annotations containing back-references to J32.1

Back-references to J32.1

• Type 2 Excludes: J01 Acute sinusitis ("chronic sinusitis (J32.0-J32.8)")

Diagnosis Index entries for J32.1

• Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) › frontal sinus (chronic)
• Degeneration, degenerative › nasal sinus (mucosa) › frontal
• Sinusitis (accessory) (chronic) (hyperplastic) (nasal) (nonpurulent) (purulent) › frontal

Nearby codes

• J32 Chronic sinusitis
• J32.0 Chronic maxillary sinusitis
• J32.1 Chronic frontal sinusitis (this code)
• J32.2 Chronic ethmoidal sinusitis
• J32.3 Chronic sphenoidal sinusitis
• J32.4 Chronic pansinusitis
• J32.8 Other chronic sinusitis
• J32.9 Chronic sinusitis, unspecified