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Home/Diagnosis/ICD-10 Coding for Shellfish Allergy

ICD-10 Coding for Shellfish Allergy

Z91.013
T78.02XA

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

Also Known as:
Seafood Allergy
Crustacean Allergy
Mollusk Allergy
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Key Information: ICD-10 Coding for Shellfish Allergy

Essential facts and insights about ICD-10 Coding for Shellfish Allergy

Use ICD-10 code Z91.013 for allergy to seafood, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Allergy to seafood

Billable Code
Z91.013
Billable

Diagnostic Criteria

  • • Documented history of allergic reaction to shellfish
  • • Positive skin prick test or specific IgE test

Applicable To

  • • Crustacean allergy
  • • Mollusk allergy

Important Notes

  • • Ensure documentation specifies the type of shellfish and the diagnostic method used.

Anaphylactic reaction due to shellfish

Billable Code
T78.02XA
Billable

Diagnostic Criteria

  • • Acute symptoms such as wheezing, angioedema, or hypotension following shellfish ingestion
  • • Confirmed shellfish ingestion prior to reaction

Applicable To

  • • Anaphylactic reaction to crustaceans

Important Notes

  • • Ensure acute reaction details are documented, including timing and severity.
Frequently Asked Questions

What is the ICD-10 code for shellfish allergy?

The ICD-10 code for a history of shellfish allergy is Z91.013, while T78.02XA is used for an active anaphylactic reaction to shellfish.

How do you code an anaphylactic reaction to shellfish?

Use T78.02XA for anaphylactic reactions to crustaceans and T78.09XA for mollusk-related reactions.

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