Does T63.91XD require prior authorization?

No, T63.91XD does not require prior authorization (high confidence). Code is covered without prior authorization.

`T63.91XD` — Toxic effect of contact with unspecified venomous animal, accidental (unintentional), subsequent encounter

ICD-10-CM

No Prior Auth Required

Code is covered without prior authorization (high confidence)

All documentation must be maintained in the patient's medical record and made available to the contractor upon request; every page must be legible and include appropriate patient identification (e.g., complete 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 medical record must support the selected ICD-10-CM code(s) and the submitted CPT/HCPCS code must accurately describe the service performed.
Prior to testing there must be evidence that a history was obtained indicating possible allergy and that attempts were made to narrow the area of investigation so that the minimal necessary skin tests were selected.

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 is covered when the medical record contains documented history obtained prior to testing that indicates the possible presence of allergy.
Allergy testing is covered when the history and examination show that attempts were made to narrow the area of investigation so that the minimal number of necessary skin tests will be performed.
Allergy testing is covered when the selection of antigens for testing is explicitly based on the patient-specific history and physician or non-physician practitioner examination.
Percutaneous prick/puncture (scratch, puncture, prick) skin testing is medically reasonable and necessary for evaluation of IgE-mediated hypersensitivity to inhalants, foods, Hymenoptera (stinging insects), chemicals, and specific drugs (e.g., penicillins, macromolecular agents).

A57531 — Billing and Coding: Allergy Testing

J09

L33261 — Allergy Testing

J09

A56558 — Billing and Coding: Allergy Testing

J12

L36241 — Allergy Testing

J12

A56612 — Billing and Coding: CT of the Head

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