Does L23.4 require prior authorization?

No, L23.4 does not require prior authorization (high confidence). Code is covered without prior authorization.

`L23.4` — Allergic contact dermatitis due to dyes

ICD-10-CM

No Prior Auth Required

Code is covered without prior authorization (high confidence)

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.

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.

L36402 — Allergy Testing

J05

A57473 — Billing and Coding: Allergy Testing

J05

L33261 — Allergy Testing

J09

A57531 — Billing and Coding: Allergy Testing

J09

L36241 — Allergy Testing

J12

Ask Verity about documentation requirements, denial risks, or coverage in your state.