2020 ICD-10-CM Diagnosis Code K11.6

Mucocele of salivary gland

    2016 2017 2018 2019 2020 Billable/Specific Code
  • K11.6 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2020 edition of ICD-10-CM K11.6 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of K11.6 - other international versions of ICD-10 K11.6 may differ.
Applicable To
  • Mucous extravasation cyst of salivary gland
  • Mucous retention cyst of salivary gland
  • Ranula
The following code(s) above K11.6 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to K11.6:
  • K00-K95
    2020 ICD-10-CM Range K00-K95

    Diseases of the digestive system

    Type 2 Excludes
    • certain conditions originating in the perinatal period (P04-P96)
    • certain infectious and parasitic diseases (A00-B99)
    • complications of pregnancy, childbirth and the puerperium (O00-O9A)
    • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
    • endocrine, nutritional and metabolic diseases (E00-E88)
    • injury, poisoning and certain other consequences of external causes (S00-T88)
    • neoplasms (C00-D49)
    • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
    Diseases of the digestive system
  • K11
    ICD-10-CM Diagnosis Code K11

    Diseases of salivary glands

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Use Additional
    • code to identify:
    • 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)
    Diseases of salivary glands
Approximate Synonyms
  • Bilateral parotid cyst
  • Bilateral parotid cysts
  • Extravasation cyst of salivary gland
  • Left parotid cyst
  • Parotid cyst
  • Ranula
  • Right parotid cyst
  • Salivary extravasation cyst
  • Salivary gland mucocele
  • Salivary mucocele or ranula
  • Salivary ranula
Clinical Information
  • A form of retention cyst of the floor of the mouth, usually due to obstruction of the ducts of the submaxillary or sublingual glands, presenting a slowly enlarging painless deep burrowing mucocele of one side of the mouth. It is also called sublingual cyst and sublingual ptyalocele.
ICD-10-CM K11.6 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 011 Tracheostomy for face, mouth & neck diagnoses or laryngectomy with mcc
  • 012 Tracheostomy for face, mouth & neck diagnoses or laryngectomy with cc
  • 013 Tracheostomy for face, mouth & neck diagnoses or laryngectomy without cc/mcc
  • 154 Other ear, nose, mouth and throat diagnoses with mcc
  • 155 Other ear, nose, mouth and throat diagnoses with cc
  • 156 Other ear, nose, mouth and throat diagnoses without cc/mcc

Convert K11.6 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change

Diagnosis Index entries containing back-references to K11.6:
  • Cyst (colloid) (mucous) (simple) (retention)
    • retention (ovary) N83.29-
      ICD-10-CM Diagnosis Code N83.29-

      Other ovarian cysts

        2016 2017 - Converted to Parent Code 2018 2019 2020 Non-Billable/Non-Specific Code
      Applicable To
      • Retention cyst of ovary
      • Simple cyst of ovary
      • salivary gland K11.6
    • parotid gland K11.6
    • salivary gland or duct K11.6 (mucous extravasation or retention)
    • sublingual gland K11.6
    • submandibular gland K11.6
    • submaxillary gland K11.6
  • Mucocele
    • salivary gland K11.6 (any)
  • Ranula K11.6

ICD-10-CM Codes Adjacent To K11.6
K11.0 Atrophy of salivary gland
K11.1 Hypertrophy of salivary gland
K11.2 Sialoadenitis
K11.20 …… unspecified
K11.21 Acute sialoadenitis
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
K12 Stomatitis and related lesions
K12.0 Recurrent oral aphthae
K12.1 Other forms of stomatitis
K12.2 Cellulitis and abscess of mouth
K12.3 Oral mucositis (ulcerative)
K12.30 …… unspecified
K12.31 …… due to antineoplastic therapy

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.