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ICD-10-CM 2027

ICD-10 code for submandibular gland atrophy

K11.0

Atrophy of salivary gland

✓ Billable / specific

From the official ICD-10-CM alphabetic index entry “Atrophy, atrophic (of) › submandibular gland”. Page updated September 29, 2026.

About coding submandibular gland atrophy

The ICD-10-CM code for submandibular gland atrophy is K11.0 (Atrophy of salivary gland).

Within K11 (diseases of salivary glands), K11.0 is specifically for atrophy of salivary gland. Related codes cover hypertrophy of salivary gland (K11.1), 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 submandibular gland atrophy ICD-10 codes

What is the ICD-10 code for submandibular gland atrophy?

K11.0 — Atrophy of salivary gland.

Is K11.0 billable?

Yes. K11.0 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).

Can K11.0 be used as a principal diagnosis?

Yes. The Medicare Code Editor doesn't restrict K11.0 as a principal diagnosis.

Is K11.0 a CC or MCC?

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