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CG
ClaimGuard
Centers for Claims Integrity & Fraud Analytics
Program Integrity › Detection

Medical Claims Fraud Detection

Rule-based screening of CMS-coded claims (CPT/HCPCS, ICD-10-CM, NDC, POS, NPI) to identify likely fraud, waste, and abuse. Each flagged claim includes provider, service line, and pharmacy detail with a plain-language explanation.

Currently loaded: claims.csv
Claims analyzed
claims.csv
Flagged as suspect
0.00% of volume
Total billed
All submitted claims
At-risk dollars
Sum of flagged claims

Suspect Claims

Sorted by risk score (highest first)

Analyzing claims…

Detection Rules

CMS-aligned heuristics

Duplicate billing
Identical patient + CPT/HCPCS + DOS + NPI submitted multiple times.
Upcoding
High-complexity E/M (99215, 99223) billed against low-acuity ICD-10 (Z00.00, R51.9).
Impossible daily volume
A single NPI billing more than 30 encounters on one service date.
Phantom services
Date of service occurring after documented patient death.
Excessive units
More than 16 units of CPT 97110 (15-min therapeutic exercise) per day.
Opioid over-prescribing
Schedule II opioid NDC dispensed for non-specific low back pain (M54.50).