L59.9 Insurance Policy Changes

ICD-10 L59.9 is officially defined as "Disorder of the skin and subcutaneous tissue related to radiation, unspecified." code L59.9 is referenced in 4 tracked payer policy changes from Excellus BlueCross BlueShield, Aetna, and 1 other payer. For billers and coders, staying current on payer-specific coverage criteria, reimbursement rules, and prior-authorization requirements for code L59.9 is critical to clean claim submission. Each entry below links to the full policy analysis with effective dates and action steps.

Excellus BlueCross BlueShield · Effective Jul 16, 2026Medium impact
Hyperbaric Oxygen Therapy (HBOT) 2.01.07
Excellus BlueCross BlueShield considers systemic hyperbaric oxygen therapy (HBOT) in a pressurized chamber medically appropriate for listed indications, including acute air or gas embolism, acute carbon monoxide poisoning, decompression sickness, idiopathic sudden sensorineural hearing loss, central retinal artery occlusion, and non-healing lower extremity wounds from diabetes that meet defined criteria. Topical HBOT is considered investigational, and systemic HBOT for all other listed indications, including acute ischemic stroke and migraine, is also considered investigational. The 07/16/26 annual review left the policy intent unchanged.
Aetna · Identified Aug 12, 2026Medium impact
Optical Coherence Tomography of the Head and Neck (CPB 0928, reviewed 2025-12-30)
Optical coherence tomography (OCT) of the head and neck is considered experimental, investigational or unproven for these uses because their effectiveness has not been established: annual OCT follow-up of thyroid ophthalmopathy after orbital decompression, dynamic OCT for actinic keratosis, endoscopic OCT for tympanoplasty, intra-operative wide-field OCT for deep margins in head and neck surgery, OCT for the middle ear, OCT for diagnosis of oral cancerous lesions, OCT for evaluation of voice disorders, OCT for monitoring radiation-induced skin changes in head and neck cancer, OCT angiography for detecting subclinical low perfusion in giant cell arteritis without manifest ocular involvement and in thyroid-associated ophthalmopathy, and OCT otoscopes for imaging the tympanic membrane and middle ear. CPT 0485T through 0486T, 92133 and 92134 are listed as not covered for the indications in this policy, and so are ICD-10 codes for head and neck cancer, thyroid eye disease, tympanic membrane and middle ear disorders, actinic keratosis, radiation-induced skin changes, giant cell arteritis, voice and resonance disorders, and oral cavity cancer screening.
Blue Cross & Blue Shield of Mississippi · Identified Jun 20, 2026Medium impact
Hyperbaric Oxygen Therapy
Systemic hyperbaric oxygen pressurization may be considered medically necessary for non-healing diabetic wounds of the lower extremities that meet all three criteria, acute traumatic ischemia, decompression sickness, acute gas embolism, acute cyanide poisoning, acute carbon monoxide poisoning, soft-tissue radiation necrosis and osteoradionecrosis, pre- and post-treatment for dental surgery (non-implant related) of an irradiated jaw, gas gangrene, profound anemia with exceptional blood loss when transfusion is impossible or must be delayed, and chronic refractory osteomyelitis. Topical hyperbaric oxygen therapy is considered investigational. Systemic hyperbaric oxygen pressurization is considered investigational in all other situations, including compromised skin grafts or flaps, acute osteomyelitis, acute thermal burns, acute surgical and traumatic wounds, and chronic wounds other than diabetic wounds that meet the stated criteria.
Blue Cross & Blue Shield of Mississippi · Identified Jun 20, 2026Medium impact
Augmentation Mammoplasty
This Blue Cross Blue Shield policy states that benefits are specifically excluded when augmentation mammoplasty is performed for cosmetic purposes. Augmentation may be considered reconstructive in listed situations, including agenesis or severe hypoplasia with a 50% or greater deformity of the contralateral breast, scoliosis, Poland's syndrome, chest wall deformity such as pectus excavatum, breasts damaged by infection, traumatic loss, scarring, burns or X-ray therapy, and reconstruction after mastectomy for cancer. The 03/27/2026 policy update removed the ICD-9 procedure and diagnosis codes.

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FREQUENTLY ASKED QUESTIONS

What insurance policy changes affect code L59.9?

There are 4 tracked policy changes affecting code L59.9, including updates from Excellus BlueCross BlueShield, Aetna, Blue Cross & Blue Shield of Mississippi. Each change may modify coverage criteria, reimbursement rates, or prior-authorization requirements.

Which payers have updated policy for code L59.9?

Payers that have issued tracked updates for code L59.9 include: Excellus BlueCross BlueShield, Aetna, Blue Cross & Blue Shield of Mississippi.

How do I get notified when code L59.9 policy changes?

Create a free account at PolicyChanges.app and save a search filtered to code L59.9. You will get an email when new policy changes reference this code: daily or weekly, your choice, on every plan.

Why do payers change policies for code L59.9?

Payers revise policies for individual billing codes to align with updated clinical guidelines, CMS rule changes, fraud and abuse prevention measures, or network cost-management goals. Changes can affect medical necessity criteria, place-of-service restrictions, bundling rules, or whether a code requires prior authorization.

All billing codes J3590 C9399 J3490 99215 99213 99202

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Hyperbaric Oxygen Therapy (HBOT) 2.01.07

Optical Coherence Tomography of the Head and Neck (CPB 0928, reviewed 2025-12-30)

Hyperbaric Oxygen Therapy

Augmentation Mammoplasty

What insurance policy changes affect code L59.9?

Which payers have updated policy for code L59.9?

How do I get notified when code L59.9 policy changes?

Why do payers change policies for code L59.9?