What is the ICD-10 code for cat scratch disease?

The ICD-10 code for cat-scratch disease is A28.1. It is used when there is a confirmed Bartonella infection with clinical symptoms such as lymphadenopathy.

How do you code a cat bite in ICD-10?

For a cat bite, use S61.451A for the injury and W54.0XXA for the external cause. Ensure laterality and encounter type are documented.

ICD-10 Coding for Cat Scratch Disease(A28.1, A28.0, A28.9)

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Learn about ICD-10 coding for cat scratch disease and related injuries. Includes code A28.1 for cat-scratch disease and S61.451A for cat bites.

Also known as:

Cat Scratch FeverBartonella Infection

Related ICD-10 Code Ranges

Complete code families applicable to Cat Scratch Disease

A00-B99Primary Range

Certain infectious and parasitic diseases

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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
A28.1	Cat-scratch disease	Use when clinical criteria for cat-scratch disease are met, including confirmed Bartonella infection.	Lymphadenopathy near scratch site Fever ≥100.4°F for >3 days Positive Bartonella IgG/IgM titer
S61.451A	Open bite of right hand, initial encounter	Use for initial treatment of a cat bite on the right hand.	Visible bite marks Patient history of cat bite

Primary ICD-10-CM Codes

Cat-scratch disease

A28.1Billable

Differential Codes

Alternative codes to consider when ruling out similar conditions

Enlarged lymph nodes, unspecifiedR59.9

Open bite of unspecified hand, initial encounterS61.459A

Documentation & Coding Risks

Avoid these common issues when documenting Cat Scratch Disease.

Omitting the external cause code for animal bites.

Impact

Clinical: Incomplete clinical picture of the incident., Regulatory: Non-compliance with ICD-10 coding rules., Financial: Potential claim denials or reduced reimbursement.

Mitigation

Always pair injury codes with appropriate external cause codes., Review documentation for completeness before coding.

Using only the external cause code without the injury code.

Impact

Reimbursement: May result in denied claims due to incomplete coding., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate injury data in patient records.

Mitigation

Always pair W54.0XXA with an appropriate injury code like S61.451A.

Incomplete Documentation

Impact

Failure to document all necessary details for cat scratch-related conditions.

Mitigation

Implement thorough documentation practices and regular audits.

Frequently Asked Questions

Primary Code

A28.1

Cat-scratch disease

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ICD-10 codes10

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