K11.21
BillableAcute sialoadenitis
Acute sialoadenitis
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
Use Additional Code
Additional codes that should follow this code
Related Codes(3)
Also Known As / Clinical Terms(31)
SNOMED CT
- Acute sialadenitis109764005
- Acute sialoadenitis109764005
- Sialoadenitis of minor salivary gland109766007
- Infective sialoadenitis196489000
- Acute viral sialadenitis235122006
- Acute bacterial sialadenitis235124007
- Suppurative sialadenitis235124007
- Chronic nonspecific sialadenitis235126009
- Chronic sialadenitis235126009
- Injury of salivary gland235131006
- Injury of salivary apparatus284001007
- Subacute necrotising sialadenitis698055008
- Subacute necrotizing sialadenitis698055008
- Acute on chronic sialoadenitis702714007
Clinical Terms
- Acute bacterial sialadenitis
- Injury of salivary apparatus
- Acute sialadenitis
- Acute viral sialadenitis
- Sialoadenitis of minor salivary gland
- Subacute necrotising sialadenitis
- Chronic nonspecific sialadenitis
- Infective sialoadenitis
- Chronic sialadenitis
- Injury of salivary gland
- Subacute necrotizing sialadenitis
- Acute sialoadenitis (disorder)
- Suppurative sialadenitis
- Acute on chronic sialoadenitis
Frequently Asked Questions
What is the ICD-10 code for acute sialoadenitis?
The ICD-10-CM code for acute sialoadenitis is K11.21. The full clinical description is "Acute sialoadenitis". K11.21 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code K11.21 mean?
ICD-10-CM code K11.21 represents “Acute sialoadenitis”. It is classified under Chapter 11: Diseases of the Digestive System and is a billable/specific code that can be used on a claim.
Is K11.21 a billable code?
Yes, K11.21 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is K11.21 in?
K11.21 is in Chapter 11: Diseases of the Digestive System (codes K00-K95).
What codes cannot be used with K11.21?
K11.21 has Excludes1 notes indicating codes that cannot be used together with it, including: epidemic parotitis (B26.-); mumps (B26.-); uveoparotid fever [Heerfordt] (D86.89); and 1 more.
Are additional codes required with K11.21?
Yes, when using K11.21, also report: ; alcohol abuse and dependence (F10.-); exposure to environmental tobacco smoke (Z77.22); exposure to tobacco smoke in the perinatal period (P96.81); history of tobacco dependence (Z87.891); occupational exposure to environmental tobacco smoke (Z57.31); tobacco dependence (F17.-); tobacco use (Z72.0).
What SNOMED CT codes does K11.21 map to?
K11.21 maps to 10 SNOMED CT concepts: 235124007, 702714007, 109764005, 235122006, 235126009, and 5 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for K11.21?
K11.21 is linked to 1 UMLS Concept Unique Identifier: C0399578. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does K11.21 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like acute sialoadenitis affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of K11.21?
There is no direct ICD-11 mapping available for K11.21 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-11. Use the ICD-10 to ICD-11 converter to search for related codes.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.