T63.421A — Toxic effect of venom of ants, accidental (unintentional), initial encounter
ICD-10-CM
Prior Authorization
No Prior Auth Required
Code is covered without prior authorization (high confidence)
Documentation Required
- Maintain all documentation in the patient's medical record and make it available to the contractor upon request.
- Every page of the medical record must be legible and include patient identification information (e.g., full name, dates of service).
- The medical record must include the legible signature of the physician or non-physician practitioner responsible for and providing the care.
- The submitted medical record must support the selected ICD-10-CM code(s) used for billing.
Key Coverage Criteria
- Allergen immunotherapy is covered only when it meets the reasonable and necessary requirements specified in Local Coverage Determination (LCD) L36240.
- Allergy testing is covered when the medical record documents a history indicating the possible presence of allergy and the clinician selected a minimal number of tests/antigens based on patient-specific history and physician examination.
- Allergy testing is covered when the medical record documents the test(s) used, the interpretation(s), and objective measurement of reaction size (wheal and erythema in mm) or a standardized in vivo grading system.
- RAST type tests are covered when medically necessary and supported by the related Local Coverage Determination (LCD) and current medical literature or standards of practice.
- CPT code 86003 (RAST type test) is covered when billed for diagnostic testing, subject to the stated annual frequency limit.
- An ECG is covered when the result is relevant to the management, diagnosis, or treatment of the patient.
20 Active Policies
L36408 — Allergen Immunotherapy (AIT) with Subcutaneous Immunotherapy (SCIT)
J05
L40195 — Allergen Immunotherapy (AIT) with Subcutaneous Immunotherapy (SCIT)
J05
A57472 — Billing and Coding: Allergy Immunotherapy
J05
A57473 — Billing and Coding: Allergy Testing
J05
L36402
Related Codes
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