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ICD-10-CM 2027

ICD-10 code for sublingual gland hypertrophy

K11.1

Hypertrophy of salivary gland

✓ Billable / specific

From the official ICD-10-CM alphabetic index entry “Hypertrophy, hypertrophic › sublingual gland”. Page updated September 29, 2026.

About coding sublingual gland hypertrophy

The ICD-10-CM code for sublingual gland hypertrophy is K11.1 (Hypertrophy of salivary gland).

Within K11 (diseases of salivary glands), K11.1 is specifically for hypertrophy of salivary gland. Related codes cover atrophy of salivary gland (K11.0), sialoadenitis (K11.2), abscess of salivary gland (K11.3), fistula of salivary gland (K11.4), Sialolithiasis (K11.5), mucocele of salivary gland (K11.6), 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.

Common questions about sublingual gland hypertrophy ICD-10 codes

What is the ICD-10 code for sublingual gland hypertrophy?

K11.1 — Hypertrophy of salivary gland.

Is K11.1 billable?

Yes. K11.1 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).

Can K11.1 be used as a principal diagnosis?

Yes. The Medicare Code Editor doesn't restrict K11.1 as a principal diagnosis.

Is K11.1 a CC or MCC?

No. K11.1 is neither a CC nor an MCC under MS-DRG v44.0.