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Home/Diagnosis/ICD-10 Coding for Mosquito Bite

ICD-10 Coding for Mosquito Bite

S40.861A
W57.XXXA

Complete ICD-10-CM coding and documentation guide for icd-10 coding for mosquito bite includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Insect Bite
Nonvenomous Insect Bite
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Key Information: ICD-10 Coding for Mosquito Bite

Essential facts and insights about ICD-10 Coding for Mosquito Bite

Use ICD-10 code S40.861A for superficial bite of right upper arm, initial encounter, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Superficial bite of right upper arm, initial encounter

Billable Code
S40.861A
Billable

Diagnostic Criteria

  • • Document the exact location of the bite.

Applicable To

  • • Mosquito bite on right upper arm

Important Notes

  • • Ensure the specific site of the bite is documented clearly.

Bitten or stung by nonvenomous insect, initial encounter

Billable Code
W57.XXXA
Billable

Diagnostic Criteria

    Applicable To

    • • Mosquito bite

    Important Notes

    • • This code should not be used as the primary diagnosis.
    Ancillary Codes

    Additional codes that may be used with this diagnosis

    W57.XXXA

    Bitten or stung by nonvenomous insect, initial encounter

    Use with all nonvenomous insect bites to indicate the external cause.

    Frequently Asked Questions

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

    Use site-specific codes from the S00-S99 range for the injury and W57.XXXA for the external cause of a mosquito bite.

    What is the ICD-10 code for a mosquito bite on the arm?

    The ICD-10 code for a mosquito bite on the right upper arm is S40.861A, with W57.XXXA for the external cause.

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