K11.4 Fistula of salivary gland

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Excludes1 (never code together)

• congenital fistula of salivary gland (Q38.4)

Applies from K11 Diseases of salivary glands

Use additional code

• 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)

MS-DRG index

Defines the logic of DRG(s) 011-013 in MDC PRE.

Approximate ICD-9-CM (GEMs)

• 527.4 Fistula of salivary gland

Diagnosis Index entries for K11.4

• Fistula (cutaneous) › parotid (gland)
• Fistula (cutaneous) › salivary duct or gland (any)
• Fistula (cutaneous) › sublingual gland
• Fistula (cutaneous) › submandibular gland
• Fistula (cutaneous) › submaxillary (gland)

Nearby codes

• K11.20 Sialoadenitis, 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 (this code)
• 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