CPT® 0635U, Under Proprietary Laboratory Analyses
The Current Procedural Terminology (CPT®) code 0635U as maintained by American Medical Association, is a medical procedural code under the range - Proprietary Laboratory Analyses.
Get the full picture on this code.
Start a FREE 2-WEEK TRIAL of Codify by AAPC.
Tabs
Summary
This is a Proprietary Laboratory Analyses (PLA) code, meaning that the code applies to only one unique lab test made by a specific manufacturer or performed by a specific lab. Report 0635U only for AdvanceAD–Tx™ from Castle Biosciences Inc. This test analyzes messenger RNA (mRNA) from a noninvasive skin–surface scraping to evaluate the activity of 487 genes. It uses gene expression profiling to assess patterns of gene activity and reports the likelihood that a patient will respond to a specific therapy.
For clinical responsibility, terminology, tips and additional info
start codify free trial.
View any code changes for 2026 as well as historical information on code creation and revision.
Tabs
Combat the #1 denial reason - mismatched CPT-ICD-9 codes - with top Medicare carrier and private payer accepted diagnoses for the chosen CPT® code.
View the CPT® code's corresponding procedural code and DRG. In a click, check the DRG's IPPS allowable, length of stay, and more. To plug inpatient facility revenue drains, subscribe to DRG Coder today.
Crosswalk to an anesthesia code and its base units, and calculate payments in a snap! Subscribe to Anesthesia Coder today.
View matching HCPCS Level II codes and their definitions.
Read a CPT® Assistant article by subscribing to Code Connect Today!
Search across Medicare Manuals, Transmittals, and more. For FREE Trial, register now!