Does D89.813 require prior authorization?

No, D89.813 does not require prior authorization (high confidence). Covered without prior authorization.

`D89.813`, Graft-versus-host disease, unspecified

ICD-10-CM

No Prior Auth Required

Covered without prior authorization (high confidence)

All documentation must be maintained in the patient medical record and made available to the contractor upon request, with every page legible and including patient identification (complete name, dates of service).
The documentation must include the legible signature of the physician or non-physician practitioner responsible for and providing the care to the patient.
The submitted medical record must support the use of the selected ICD-10-CM code(s) and the submitted CPT/HCPCS code must accurately describe the service performed.
Results of the vitamin D testing and the resulting treatment regimen must be documented in the patient's medical record, including relevant medical history, physical examination, and results of pertinent diagnostic tests or procedures (e.g., progress notes and written laboratory reports).

25-hydroxy vitamin D testing (including fractions, if performed) is covered when deemed reasonable and necessary per Local Coverage Determination L33771.
Molecular syndromic infectious disease panels are covered when billed with the appropriate proprietary CPT® or PLA code and an accompanying ICD-10-CM diagnosis that documents medical necessity in the patient record.
FDA-cleared/approved molecular infectious disease tests performed consistent with their intended use are covered without a DEX Z-code when billed with an appropriate supporting ICD-10-CM code.
A panel is a single test (single unit of service UOS=1) and is covered as one service even if it reports multiple pathogens or targets.
Testing for additional organisms not included in a billed panel is covered when ordered in addition to the panel and supported by documentation in the medical record.
Expanded (>5 pathogen) respiratory (RP/PNP) and gastrointestinal (GI) panels are covered when either (a) performed at POS 19, 21, 22, or 23, or (b) ordered by an approved specialist per patient immune status and clinical indication (see documentation criteria).

CGS-J15-L39038, MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing

J15

CGS-J15-L34037, Flow Cytometry

J15

CGS-J15-L35891, Intravenous Immune Globulin

J15

CGS-J18-L39038, MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing

J18

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