Diagnosis Code


Code Information

Diagnosis Code: K11.21

Short Description: Acute sialoadenitis

Long Description: Acute sialoadenitis

The code K11.21 is VALID for claim submission

Code Classification:

  • Diseases of the digestive system (K00–K93)
    • Diseases of oral cavity and salivary glands (K00-K14)
      • Diseases of salivary glands (K11)
        • K11.21 Acute sialoadenitis

Code Version: 2020 ICD-10-CM


  • Acute bacterial sialadenitis
  • Acute on chronic sialoadenitis
  • Acute sialoadenitis
  • Acute viral sialadenitis
  • Chronic sialadenitis
  • Infective sialoadenitis
  • Infective sialoadenitis
  • Sialoadenitis of minor salivary gland
  • Subacute necrotizing sialadenitis

References to Index of Diseases and Injuries

The code K11.21 has the following ICD-10-CM references to the Index of Diseases and Injuries
  • Type 1 Excludes Notes:
    • acute recurrent sialoadenitis (@K11.22*)

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
K11.21 Right Arrow 527.2 Sialoadenitis

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
K11 Diseases of salivary glands
K11.0 Atrophy of salivary gland
K11.1 Hypertrophy of salivary gland
K11.2 Sialoadenitis
K11.20 Sialoadenitis, unspecified
K11.22 Acute recurrent sialoadenitis
K11.23 Chronic sialoadenitis
K11.3 Abscess of salivary gland
K11.4 Fistula of salivary gland
K11.5 Sialolithiasis
K11.6 Mucocele of salivary gland
K11.7 Disturbances of salivary secretion
K11.8 Other diseases of salivary glands
K11.9 Disease of salivary gland, unspecified

This page was last updated on: 10/1/2020