L23.5 — Allergic contact dermatitis due to other chemical products
ICD-10-CM
Prior Authorization
No Prior Auth Required
Code is covered without prior authorization (high confidence)
Documentation Required
- The patient’s medical record must include the ordering provider’s assessment as it relates to the patient’s complaint for that visit.
- Medical records must contain relevant medical history and results of pertinent tests or procedures performed.
- For diagnostic tests, report the result of the test if known; otherwise report the symptoms that prompted performing the test.
- All services ordered or rendered to Medicare beneficiaries must be signed and dated; include a signed and dated office visit record or operative report in the medical record.
Key Coverage Criteria
- A valid ICD-10-CM diagnosis code that best describes the patient’s condition for which the debridement service was performed must be reported on the claim.
- When a service requires a referring or ordering physician, the name and NPI of the referring/ordering physician must be reported on the claim.
- 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.
- Allergy testing for inhalant allergens is covered when medically necessary; evaluation may include up to 90 prick-puncture tests followed by up to 40 intracutaneous tests if prick/puncture results are negative.
- Allergy testing for food sensitivity is covered when medically necessary and may require up to 40 percutaneous tests.
12 Active Policies
L36402 — Allergy Testing
J05
A57473 — Billing and Coding: Allergy Testing
J05
L35074 — Heavy Metal Testing
J06
A56767 — Billing and Coding: Heavy Metal Testing
J06
L33261 — Allergy Testing
J09
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