B26.84 Mumps polyneuropathy

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

Applies from B26 Mumps

Includes

• epidemic parotitis
• infectious parotitis

MS-DRG index

Defines the logic of DRG(s) 073-074 in MDC 01.

Approximate ICD-9-CM (GEMs)

• 072.72 Mumps polyneuropathy

Code annotations containing back-references to B26.84

Back-references to B26.84

• Type 1 Excludes: G63 Polyneuropathy in diseases classified elsewhere ("mumps (B26.84)")

Back-references to B26

• Code First: H67 Otitis media in diseases classified elsewhere ("viral disease NEC (B00-B34)")
• Type 1 Excludes: K11.2 Sialoadenitis ("epidemic parotitis (B26.-)")
• Type 1 Excludes: K11.2 Sialoadenitis ("mumps (B26.-)")

Diagnosis Index entries for B26.84

• Mumps › polyneuropathy
• Polyneuropathy (peripheral) › in (due to) › mumps

Nearby codes

• B26.3 Mumps pancreatitis
• B26.8 Mumps with other complications
• B26.81 Mumps hepatitis
• B26.82 Mumps myocarditis
• B26.83 Mumps nephritis
• B26.84 Mumps polyneuropathy (this code)
• B26.85 Mumps arthritis
• B26.89 Other mumps complications
• B26.9 Mumps without complication