What is the ICD-10 code for a cat bite?

The ICD-10 code for a cat bite on the right hand, initial encounter, is S61.451A. Use W55.01XA as the external cause code.

How do you code a cat bite with cellulitis?

Code the injury first with S61.451A, followed by L03.115 for cellulitis, and W55.01XA for the external cause.

ICD-10 Coding for Cat Bite(S61.451A, L02.511, L03.115)

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Learn how to accurately code cat bites using ICD-10, including primary and external cause codes, documentation requirements, and common pitfalls.

Also known as:

Feline BiteCat Scratch

Related ICD-10 Code Ranges

Complete code families applicable to Cat Bite

S00-T88Primary Range

Injury, poisoning and certain other consequences of external causes

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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
S61.451A	Open bite of right hand, initial encounter	Use when documenting an open bite on the right hand from a cat, during the initial encounter.	Physical examination showing open wound Patient history of cat bite
L03.115	Cellulitis of right hand	Use when cellulitis is present as a complication of a cat bite.	Erythema swelling and warmth of the hand Positive bacterial culture
W55.01XA	Bitten by cat, initial encounter	Use as an external cause code for initial encounters involving cat bites.	Patient history indicating a cat bite

Primary ICD-10-CM Codes

Open bite of right hand, initial encounter

S61.451ABillable

Differential Codes

Alternative codes to consider when ruling out similar conditions

Open bite of left hand, initial encounterS61.452A

Use for bites on the left hand.

Abscess of right handL02.511

Use if there is a localized collection of pus.

Documentation & Coding Risks

Avoid these common issues when documenting Cat Bite.

Failing to document encounter type

Impact

Clinical: Inaccurate tracking of patient visits., Regulatory: Non-compliance with coding standards., Financial: Potential for claim denials.

Mitigation

Train staff on importance of encounter type documentation., Use templates that prompt for encounter type.

Using W55.01XA as a primary code

Impact

Reimbursement: Claims will be denied if W55.01XA is primary., Compliance: Non-compliance with ICD-10 sequencing rules., Data Quality: Inaccurate data on injury causes.

Mitigation

Always use an injury code as primary, such as S61.451A.

Omitting laterality in documentation

Impact

Reimbursement: Claims may be delayed or denied., Compliance: Fails to meet documentation standards., Data Quality: Inaccurate clinical records.

Mitigation

Ensure documentation specifies right or left hand.

External cause coding

Impact

High frequency of W55.01XA without primary injury codes.

Mitigation

Ensure injury codes are primary and external cause codes are secondary.

Frequently Asked Questions

Documentation requirements, coding pitfalls and FAQs for conditions coded with S61.451A.

Primary Code

S61.451A

Open bite of right hand, initial encounter

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ICD-10 codes7

Coding risks4

FAQs2

ICD-10 Coding for Cat Bite(S61.451A, L02.511, L03.115)

Documentation & Coding Risks

Frequently Asked Questions

What is the ICD-10 code for a cat bite?

How do you code a cat bite with cellulitis?

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