J84.113 — Idiopathic non-specific interstitial pneumonitis
ICD-10-CM
Prior Authorization
No Prior Auth Required
Code is covered without prior authorization (high confidence)
Documentation Required
- Claims must be supported by medical record documentation of the patient’s diagnosis/clinical condition and justification that the selected drug, dose, and route of administration are appropriate and medically necessary for the non-oncologic indication.
- Billing must comply with Medicare rules and any applicable LCD prior authorization or documentation requirements; follow any specific forms or prior authorization processes required by the LCD or payer.
- Billing and coding for pulmonary stress testing must follow Local Coverage Determination (LCD) L33444; consult LCD L33444 for specific medical necessity, coding, and billing criteria.
- This article provides billing, coding, or other guidelines that complement LCD L33444 rather than standalone coverage criteria.
Key Coverage Criteria
- Anti-neoplastic (chemotherapy) agent CPT/HCPCS codes may be used to bill for administration of these drugs when given to treat non-oncologic (noncancer) diagnoses if the drug is medically necessary for the patient’s condition and consistent with the standard of medical practice.
- Monoclonal antibody agents and other biologic response modifiers may be administered and billed using chemotherapy administration codes for noncancer indications when the dose, route, and clinical use are appropriate and medically necessary.
- Use these billing and coding instructions when reporting the Envisia™ Genomic Classifier (Veracyte) test for diagnosis/evaluation of suspected idiopathic pulmonary fibrosis as governed by LCD L37857.
- Therapeutic respiratory procedures (HCPCS G0237, G0238, G0239) using an individualized physical conditioning and exercise program with breathing techniques are covered for patients with documented activity limitations.
- Pulmonary function tests (PFTs) represented by CPT codes 94070, 94200, 94640, 94726, 94727, and 94729 are covered when reasonable and medically necessary with supporting clinical documentation and a written order by a physician or appropriate NPP.
- Spirometry (CPT 94010, 94011, 94012, 94060, 94070, 94150, 94200, 94375, 94726, 94727) is covered when clinically indicated and documented in the medical record.
20 Active Policies
A55639 — Billing and Coding: Chemotherapy Agents for Non-Oncologic Conditions
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L37205 — Chemotherapy Drugs and their Adjuncts
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A57568 — Billing and Coding: MolDX: Envisia, Veracyte, Idiopathic Pulmonary Fibrosis Diagnostic Test
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L37919 — MolDX: Envisia, Veracyte, Idiopathic Pulmonary Fibrosis Diagnostic Test
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Related Codes
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