ICD-10-CM 2027
ICD-10 code for Ranula
From the official ICD-10-CM alphabetic index entry “Ranula”. Page updated September 29, 2026.
About coding Ranula
The ICD-10-CM code for Ranula is K11.6 (Mucocele of salivary gland). The official index lists 1 more specific code, so check the documentation for details such as type, cause, site or severity before settling on K11.6.
Within K11 (diseases of salivary glands), K11.6 is specifically for mucocele of salivary gland. Related codes cover atrophy of salivary gland (K11.0), hypertrophy of salivary gland (K11.1), sialoadenitis (K11.2), abscess of salivary gland (K11.3), fistula of salivary gland (K11.4), Sialolithiasis (K11.5), disturbances of salivary secretion (K11.7), other diseases of salivary glands (K11.8) and 1 more.
Use an 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) and 2 more.
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
More specific Ranula codes (official index)
- congenital Q38.4 — Congenital malformations of salivary glands and ducts
Common questions about Ranula ICD-10 codes
What is the ICD-10 code for Ranula?
- K11.6 — Mucocele of salivary gland. More specific codes apply when the documentation supports them: Q38.4.
What is the ICD-10 code for congenital ranula?
- Q38.4 — Congenital malformations of salivary glands and ducts.
Is K11.6 billable?
- Yes. K11.6 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can K11.6 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict K11.6 as a principal diagnosis.
Is K11.6 a CC or MCC?
- No. K11.6 is neither a CC nor an MCC under MS-DRG v44.0.