H44.009 Unspecified purulent endophthalmitis, unspecified eye

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applies from H44 Disorders of globe

Includes

• disorders affecting multiple structures of eye

Applies from H44.0 Purulent endophthalmitis

Excludes1 (never code together)

• bleb associated endophthalmitis (H59.4-)

Use additional code

• code to identify organism

MS-DRG index

Defines the logic of DRG(s) 121-122 in MDC 02.

Approximate ICD-9-CM (GEMs)

• 360.00 Purulent endophthalmitis, unspecified (approximate)
• 360.01 Acute endophthalmitis (approximate)
• 360.03 Chronic endophthalmitis (approximate)

Medicare Code Edits (MCE v43.1 (April 2026))

• Unspecified code (laterality): Unspecified codes for which a more specific code identifying laterality (right, left, bilateral) exists within the same code family.

Diagnosis Index entries for H44.009

• Endophthalmitis (acute) (infective) (metastatic) (subacute)

Nearby codes

• H44.0 Purulent endophthalmitis
• H44.00 Unspecified purulent endophthalmitis
• H44.001 Unspecified purulent endophthalmitis, right eye
• H44.002 Unspecified purulent endophthalmitis, left eye
• H44.003 Unspecified purulent endophthalmitis, bilateral
• H44.009 Unspecified purulent endophthalmitis, unspecified eye (this code)
• H44.01 Panophthalmitis (acute)
• H44.011 Panophthalmitis (acute), right eye
• H44.012 Panophthalmitis (acute), left eye
• H44.013 Panophthalmitis (acute), bilateral
• H44.019 Panophthalmitis (acute), unspecified eye