What insurance policy changes affect code G59?

There are 2 tracked policy changes affecting code G59, including updates from Aetna. Each change may modify coverage criteria, reimbursement rates, or prior-authorization requirements.

Which payers have updated policy for code G59?

Payers that have issued tracked updates for code G59 include: Aetna.

How do I get notified when code G59 policy changes?

Create a free account at PolicyChanges.app and save a search filtered to code G59. 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 G59?

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.

PAYER POLICY CHANGES

G59 Insurance Policy Changes

ICD-10 G59 is officially defined as "Mononeuropathy in diseases classified elsewhere." code G59 is referenced in 2 tracked payer policy changes from Aetna. For billers and coders, staying current on payer-specific coverage criteria, reimbursement rules, and prior-authorization requirements for code G59 is critical to clean claim submission. Each entry below links to the full policy analysis with effective dates and action steps.

Only a small number of policies match this filter. Check back as coverage expands.

Aetna · Identified Aug 15, 2026Medium impact
Quantitative Sensory Testing Methods (CPB 0357, reviewed 2026-05-22)
Quantitative sensory testing (QST), current perception threshold (CPT) testing, voltage-actuated sensory nerve conduction threshold (VsNCT) testing, and quantitative thermal testing for early diagnosis of leprosy are considered experimental, investigational, or unproven for the uses listed in this policy, because their effectiveness or clinical value has not been established. Listed uses include evaluating fibromyalgia pain, chronic itch, chronic pelvic pain, and shoulder pain, and diagnosing restless legs syndrome and small fiber neuropathy in postural orthostatic tachycardia syndrome. CPT codes 0106T through 0110T and HCPCS code G0255 are not covered for the listed indications.
Aetna · Identified Aug 14, 2026Medium impact
Magnetic Resonance Neurography (CPB 0387, reviewed 2025-08-01)
Aetna considers magnetic resonance neurography experimental, investigational, or unproven because the medical literature on its clinical use remains in early stages of development. The policy lists ICD-10 codes for nerve, nerve root and plexus disorders (G50.0 through G59) and for injury to nerves and spinal cord (S04 through S94 ranges) as not covered for the indications listed. There are no specific CPT or HCPCS codes for magnetic resonance neurography.

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Quantitative Sensory Testing Methods (CPB 0357, reviewed 2026-05-22)

Magnetic Resonance Neurography (CPB 0387, reviewed 2025-08-01)

What insurance policy changes affect code G59?

Which payers have updated policy for code G59?

How do I get notified when code G59 policy changes?

Why do payers change policies for code G59?