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K11.21

✓ Billable

Acute sialoadenitis

Diseases of the digestive system (K00-K95)

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❌ Excludes1

direct

Cannot be coded with K11.21

  • • acute recurrent sialoadenitis (K11.22)

❌ Excludes1

inherited from K11.2

Rules from parent category K11.2: Sialoadenitis

  • • epidemic parotitis (B26.-)
  • • mumps (B26.-)
  • • uveoparotid fever [Heerfordt] (D86.89)

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Code Information

CodeK11.21
BillableYes
ParentK11.2
CategoryDiseases of the digestive system (K00-K95)
Excludes14 rule(s)
Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)