Does T86.8421 require prior authorization?

No, T86.8421 does not require prior authorization (high confidence). Code is covered without prior authorization.

`T86.8421` — Corneal transplant infection, right eye

ICD-10-CM

No Prior Auth Required

Code is covered without prior authorization (high confidence)

Claims must report the appropriate CPT code for the flow cytometry service, include 1 unit of service (UOS), and list the appropriate ICD-10-CM diagnosis code.
Medical necessity documentation per LCD L34513 is required when coverage criteria are not fully met in this billing guideline (for example, when >24 markers are requested).
The diagnosis code(s) billed must best describe the patient’s condition for which the SCODI service was performed.
The patient's medical record must contain documentation that fully supports the medical necessity for SCODI services included within LCD L34380, including relevant medical history, physical examination, and results of pertinent diagnostic tests or procedures.

Coverage and medical necessity determinations for flow cytometry are governed by Local Coverage Determination L34513.
Flow cytometry may be used to analyze cellular components of body fluids and lymphoreticular tissues, including peripheral blood, cerebrospinal fluid (CSF), bone marrow, lymph nodes, tonsil, spleen, and fine needle aspirate material.
Peripheral blood or fine needle aspirate specimens may be used to avoid more invasive diagnostic procedures when clinically appropriate.
Scanning computerized ophthalmic diagnostic imaging (SCODI) is covered when the service meets the medical necessity criteria and is included within Local Coverage Determination L34380.
SCODI (CPT 92133, 92134) is considered medically reasonable and necessary for evaluation of retinal disorders, glaucoma, and anterior segment disorders as documented in LCD L34760.
G71.21 | Nemaline myopathy

L34760 — Scanning Computerized Ophthalmic Diagnostic Imaging (SCODI)

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A56916 — Billing and Coding: Scanning Computerized Ophthalmic Diagnostic Imaging (SCODI)

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L34380 — Scanning Computerized Ophthalmic Diagnostic Imaging (SCODI)

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A56537 — Billing and Coding: Scanning Computerized Ophthalmic Diagnostic Imaging (SCODI)

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