What is the ICD-10 code for xerostomia?

The ICD-10 code for xerostomia due to a specific cause like radiation or medication is K11.7. For unspecified dry mouth, use R68.2.

ICD-10 Coding for Xerostomia(K11.7, E86.0, M35.0)

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Comprehensive guide on ICD-10 coding for xerostomia, including primary and ancillary codes, documentation requirements, and common pitfalls.

Also known as:

Dry MouthSalivary Gland Hypofunction

Related ICD-10 Code Ranges

Complete code families applicable to Xerostomia

K00-K95Primary Range

Diseases of the digestive system

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Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

Code	Description	When to Use	Key Documentation
K11.7	Disturbances of salivary secretion	Use when xerostomia is due to a specific cause such as radiation or medication.	Sialometry showing <0.1 ml/min unstimulated flow History of radiation therapy
R68.2	Dry mouth, unspecified	Use when dry mouth is a symptom without a specific salivary gland disorder.	Subjective dryness without hypofunction Negative sialometry (>0.2 ml/min)

Primary ICD-10-CM Codes

Disturbances of salivary secretion

K11.7Billable

Differential Codes

Alternative codes to consider when ruling out similar conditions

Dry mouth, unspecifiedR68.2

Disturbances of salivary secretionK11.7

Documentation & Coding Risks

Avoid these common issues when documenting Xerostomia.

Omitting additional codes for tobacco or alcohol use

Impact

Clinical: Incomplete clinical picture., Regulatory: Non-compliance with coding rules., Financial: Potential for denied claims.

Mitigation

Review patient history for tobacco or alcohol use, Include relevant codes

Using R68.2 when a specific cause is identified

Impact

Reimbursement: Incorrect coding may lead to denied claims., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate clinical data representation.

Mitigation

Use K11.7 when xerostomia is due to a specific cause such as radiation or medication.

Incorrect code selection

Impact

Using R68.2 instead of K11.7 when a specific cause is documented.

Mitigation

Educate coders on the importance of identifying specific causes.

Frequently Asked Questions

Documentation requirements, coding pitfalls and FAQs for conditions coded with K11.7.

Primary Code

K11.7

Disturbances of salivary secretion

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ICD-10 codes5

Coding risks3

FAQs2

ICD-10 Coding for Xerostomia(K11.7, E86.0, M35.0)

Documentation & Coding Risks

Frequently Asked Questions

What is the ICD-10 code for xerostomia?

When should K11.7 be used instead of R68.2?

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