How to appeal a Highmark lymphoma & leukemia (heme malignancies) denial

The framework that applies to your appeal

Federal law gives you the right to a full and fair internal appeal, then an external review by an independent third party.

Highmark-specific note: Operates BCBS in PA (western), WV, DE, NY (western). Owns Allegheny Health Network.

What Highmark's policy requires for lymphoma & leukemia (heme malignancies)

Cited policy: BCBS Scemblix (Asciminib) for CML

CP-CML: ≥2 prior TKIs (ASCEMBL approval 2021), T315I-mutated, OR newly diagnosed CP-CML 1L (ASC4FIRST 2024). 80 mg PO daily (or 40 mg BID); 200 mg BID for T315I. Hematologist Rx. Reauth with BCR-ABL by qPCR every 3 mo per NCCN CML v3.2024.

How Highmark denies lymphoma & leukemia (heme malignancies) — and how to counter it

Where Highmark pushes back: 1) Asciminib only after 2 prior TKIs (outdated); 2) T315I not documented; 3) Cost vs imatinib.

Counter-arguments that hold up: ASC4FIRST (Hochhaus NEJM 2024) — asciminib SUPERIOR MMR at 48 weeks vs investigator-choice TKI in newly diagnosed CP-CML, with significantly better tolerability. FDA Oct 29, 2024 — 1L CP-CML approval. NCCN CML v3.2024 lists asciminib as 1L option alongside imatinib / dasatinib / nilotinib / bosutinib. ASCEMBL (Réa Blood 2021;138:2031) — 3L+ MMR superior to bosutinib. STAMP allosteric mechanism — distinct from ATP-competitive TKIs, retains activity in T315I (200 mg BID dosing). NCCN CML v3.2024 + ELN CML 2020 endorse.

What Highmark typically denies for lymphoma & leukemia (heme malignancies)

Across Highmark's commercial and Medicare books, denials cluster around a small number of patterns. For lymphoma & leukemia (heme malignancies), expect:

• Prior auth on biologics
• PA on advanced imaging
• OON balance bills

Treatments most often denied in this category

These are the lymphoma & leukemia (heme malignancies) treatments most often flagged for prior auth, step therapy, or medical necessity review:

• Imbruvica
• Calquence
• Brukinsa
• Jaypirca / pirtobrutinib
• Venclexta
• Rituxan / rituximab

How to submit the appeal to Highmark

1. Read the denial letter — note the exact denial reason code and the appeal deadline (180 days from the date on the letter).
2. Gather supporting documentation: physician letter of medical necessity, relevant clinical notes, peer-reviewed citations supporting the treatment for your indication, and the policy or coverage document Highmark cited in the denial.
3. File the appeal through Highmark's portal (members: https://www.highmark.com ; providers: https://www.highmark.com/provider). Standard decision returns within 30 days; expedited urgent appeals return within 72 hours.
4. If denied again, request external review by an independent reviewer within 4 months of the final internal denial. In PA, the state insurance department coordinates external review for fully-insured plans; ERISA self-funded plans use a federal external review through DOL/EBSA.

Clinician or prior-auth team handling this on the practice side? See Highmark's prior-authorization criteria by drug: Highmark PA criteria on ApprovalHelp.