ICD-10 Coding for Tree Nut Allergy(T78.05XA, Z91.018)
Complete ICD-10-CM coding and documentation guide for Tree Nut Allergy. Includes clinical validation requirements, documentation requirements, and coding pitfalls.
Also known as:
Related ICD-10 Code Ranges
Complete code families applicable to Tree Nut Allergy
T78.0-T78.1Primary Range
Anaphylactic and other adverse reactions
Covers anaphylactic reactions specifically due to allergens, including tree nuts.
Personal history of allergy to other agents
Used for documenting history of allergies without current symptoms.
Code Comparison: When to Use Each Code
Compare key differences between these codes to ensure accurate selection
| Code | Description | When to Use | Key Documentation |
|---|---|---|---|
| T78.05XA | Anaphylactic reaction due to tree nuts, initial encounter | Use for active anaphylactic reactions to tree nuts. |
|
| Z91.018 | Personal history of other allergies, not elsewhere classified | Use for documenting history of tree nut allergy without current symptoms. |
|
Clinical Decision Support
Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.
Key Information: ICD-10 code for tree nut allergy
Essential facts and insights about Tree Nut Allergy
Primary ICD-10-CM Codes for tree nut allergy
Decision Criteria
clinical Criteria
- Presence of systemic symptoms after tree nut exposure.
Applicable To
- Anaphylaxis due to walnuts
- Anaphylaxis due to pecans
Excludes
- Anaphylactic reaction due to peanuts (T78.01)
Clinical Validation Requirements
- Documented hypotension
- Bronchospasm
- Urticaria
- Epinephrine administration
Code-Specific Risks
- Incorrectly coding for peanuts instead of tree nuts.
Coding Notes
- Ensure documentation specifies the specific tree nut involved.
Z91.018 - Personal history of other allergies, not elsewhere classified
Use for documenting history of tree nut allergy without current symptoms.
Applicable To
- History of allergy to tree nuts
Excludes
- Current anaphylactic reaction (T78.05)
Clinical Validation Requirements
- No acute symptoms
- Patient carries epinephrine
Coding Notes
Pair with encounter codes for follow-up visits.
Ancillary Codes
Additional codes that should be used in conjunction with the main diagnosis codes when applicable.
Urticaria, unspecified
L50.9Differential Codes
Alternative codes to consider when ruling out similar conditions to the primary diagnosis.
Anaphylactic reaction due to peanuts
T78.01Documentation & Coding Risks
Avoid these common documentation and coding issues when documenting Tree Nut Allergy to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code T78.05XA.
Impact
Clinical: May lead to inappropriate treatment., Regulatory: Non-compliance with documentation standards., Financial: Potential for denied claims due to lack of specificity.
Mitigation Strategy
Always ask and document the specific nut involved., Review patient history for previous reactions.
Impact
Reimbursement: May lead to lower reimbursement rates., Compliance: Non-compliance with specificity requirements., Data Quality: Decreases accuracy of allergy data.
Mitigation Strategy
Use T78.05 for known tree nut allergies.
Impact
Risk of audits due to non-specific allergy documentation.
Mitigation Strategy
Ensure all allergy documentation includes specific allergens and reactions.
Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.
Frequently Asked Questions
Common questions about ICD-10 coding for Tree Nut Allergy, with expert answers to help guide accurate code selection and documentation.
Documentation Templates for Tree Nut Allergy
Use these documentation templates to ensure complete and accurate documentation for Tree Nut Allergy. These templates include all required elements for proper coding and billing.
Emergency Department Visit for Anaphylaxis
Specialty: Emergency MedicineRequired Elements
- Allergen identification
- Symptoms description
- Treatment administered
- Follow-up plan
Example Documentation
Examples: Poor vs. Good Documentation
Poor Documentation Example
Good Documentation Example
Explanation
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