K11: Diseases of salivary glands
Codes under K11 (Diseases of salivary glands). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| K11.0 | Atrophy of salivary gland | ✓ |
| K11.0 | Atrophy of salivary gland | ✓ |
| K11.1 | Hypertrophy of salivary gland | ✓ |
| K11.1 | Hypertrophy of salivary gland | ✓ |
| K11.2 | Sialoadenitis | — |
| K11.2 | Sialoadenitis | — |
| K11.3 | Abscess of salivary gland | ✓ |
| K11.3 | Abscess of salivary gland | ✓ |
| K11.4 | Fistula of salivary gland | ✓ |
| K11.4 | Fistula of salivary gland | ✓ |
| K11.5 | Sialolithiasis | ✓ |
| K11.5 | Sialolithiasis | ✓ |
| K11.6 | Mucocele of salivary gland | ✓ |
| K11.6 | Mucocele of salivary gland | ✓ |
| K11.7 | Disturbances of salivary secretion | ✓ |
| K11.7 | Disturbances of salivary secretion | ✓ |
| K11.8 | Other diseases of salivary glands | ✓ |
| K11.8 | Other diseases of salivary glands | ✓ |
| K11.9 | Disease of salivary gland, unspecified | ✓ |
| K11.9 | Disease of salivary gland, unspecified | ✓ |
| K11.20 | Sialoadenitis, unspecified | ✓ |
| K11.20 | Sialoadenitis, unspecified | ✓ |
| K11.21 | Acute sialoadenitis | ✓ |
| K11.21 | Acute sialoadenitis | ✓ |
| K11.22 | Acute recurrent sialoadenitis | ✓ |
| K11.22 | Acute recurrent sialoadenitis | ✓ |
| K11.23 | Chronic sialoadenitis | ✓ |
| K11.23 | Chronic sialoadenitis | ✓ |
Frequently asked questions
What is ICD-10-CM code K11?
K11 is an ICD-10-CM category covering Diseases of salivary glands. It contains 28 more specific diagnosis codes, 26 of which are billable.
Is K11 a billable code?
No — K11 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example K11.0 — Atrophy of salivary gland). 26 of the 28 codes under K11 are billable.
What codes fall under K11?
K11 includes K11.0, K11.0, K11.1, K11.1, K11.2, plus 23 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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