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Immunohistochemistry or Immunocytochemistry, Each Additional

Washington rates for HCPCS G0462

Immunohisto/cyto chem add

Rates data updated July 2026.

Facilitymedian $123 · 10th–90th $123$1290%20%40%90th$123

Distribution of negotiated rates across all payers (price axis is log-scale). Facility and professional rates are different services and are charted separately. Small sample; interpret with caution. Need provider-level prices? Contact us.

Insurance Carrier
Pacific Source
Setting
Facility
Modifier
Global
Typical Low
$123.03
Median
$123.03
Typical High
$128.82