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Home/Diagnosis/ICD-10 Coding for Allergy

ICD-10 Coding for Allergy

J30.1
T78.40XA

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

Also Known as:
Hypersensitivity
Allergic Reaction
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Key Information: ICD-10 Coding for Allergy

Essential facts and insights about ICD-10 Coding for Allergy

Use ICD-10 code J30.1 for allergic rhinitis due to pollen, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Allergic rhinitis due to pollen

Billable Code
J30.1
Billable

Diagnostic Criteria

  • • Confirmed pollen allergy via testing

Applicable To

  • • Hay fever

Important Notes

  • • Ensure documentation specifies the allergen type and confirmation method.

Allergy, unspecified, initial encounter

Billable Code
T78.40XA
Billable

Diagnostic Criteria

  • • Pending allergy testing results

Applicable To

  • • Unspecified allergic reaction

Important Notes

  • • Avoid using this code without a plan for further testing.
Ancillary Codes

Additional codes that may be used with this diagnosis

Z91.09

Other allergy status

Use to indicate a known allergy status.

Z88.9

Allergy status to unspecified drugs

Use to document a known drug allergy status.

Frequently Asked Questions

What is the ICD-10 code for allergic rhinitis due to pollen?

The ICD-10 code for allergic rhinitis due to pollen is J30.1. It requires documentation of specific pollen allergen and confirmation through testing.

How do you code an unspecified allergy?

Use T78.40XA for unspecified allergy, but ensure to document plans for further testing to identify the allergen.

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