Paid Claims Error Rates by Service Type: Carriers

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Service Types Billed to Carriers (BETOS) Paid Claims Error Rate
Error Rate Number of Line Items (Sample) Projected Improper Payments Standard Error 95% Confidence Interval
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Anesthesia 1.1% 976 $15,156,203 0.3% 0.4% - 1.7%
Emergency room visit 5.2% 1,581 $81,170,524 0.6% 4.1% - 6.4%
Ambulance 2.3% 2,577 $75,735,222 0.7% 1.0% - 3.6%
Chemotherapy 3.2% 313 $68,742,076 1.9% ( 0.5%) - 6.8%
Dialysis services (Non MFS) 8.4% 237 $57,028,358 2.4% 3.7% - 13.1%
Hospital visit - critical care 8.6% 274 $49,951,053 3.5% 1.8% - 15.5%
Other tests - other 3.0% 1,898 $40,677,030 1.2% 0.7% - 5.4%
Lab tests - other (non-Medicare fee schedule) 1.8% 12,549 $31,848,867 0.4% 1.0% - 2.5%
Specialist - opthamology 1.7% 3,125 $31,830,341 0.4% 1.0% - 2.5%
All Codes With Less Than 30 Claims 1.6% 379 $30,074,229 1.0% ( 0.3%) - 3.5%
Specialist - psychiatry 3.2% 1,767 $28,884,098 1.8% ( 0.5%) - 6.8%
Minor procedures - musculoskeletal 2.8% 1,056 $26,774,531 1.5% ( 0.2%) - 5.8%
Advanced imaging - MRI: other 1.4% 395 $24,632,741 0.6% 0.2% - 2.7%
Standard imaging - nuclear medicine 1.2% 1,236 $23,205,612 0.6% 0.0% - 2.4%
Standard imaging - musculoskeletal 3.1% 2,707 $22,138,564 0.7% 1.8% - 4.5%
Lab tests - other (Medicare fee schedule) 1.6% 1,765 $21,394,815 0.5% 0.6% - 2.5%
Major procedure - Other 1.9% 255 $17,225,518 1.1% ( 0.3%) - 4.1%
Other tests - electrocardiograms 4.5% 2,609 $17,153,945 0.6% 3.3% - 5.7%
Advanced imaging - MRI: brain 1.9% 188 $15,062,714 1.3% ( 0.6%) - 4.4%
Echography - carotid arteries 5.1% 256 $14,652,514 3.4% ( 1.6%) - 11.7%
Endoscopy - colonoscopy 1.9% 332 $14,339,539 1.1% ( 0.3%) - 4.0%
Echography - other 2.9% 554 $13,997,290 1.3% 0.3% - 5.4%
Major procedure, cardiovascualr-Coronary angioplasty (PTCA) 5.0% 62 $12,982,279 0.9% 3.2% - 6.8%
Major procedure, cardiovascular-Other 1.1% 342 $10,941,587 1.0% ( 0.8%) - 3.0%
Echography - abdomen/pelvis 4.0% 417 $10,924,047 2.7% ( 1.3%) - 9.3%
Ambulatory procedures - other 1.9% 745 $10,638,009 0.8% 0.3% - 3.5%
Specialist - other 4.4% 351 $10,380,833 1.5% 1.6% - 7.3%
Home visit 6.6% 184 $10,270,812 1.9% 2.8% - 10.3%
Standard imaging - chest 2.6% 2,851 $9,890,914 0.6% 1.4% - 3.8%
Minor procedures - skin 0.9% 1,462 $9,400,891 0.3% 0.3% - 1.5%
Other - Medicare fee schedule 6.9% 310 $8,456,916 2.5% 1.9% - 11.8%
Dialysis services 8.0% 135 $7,752,145 4.8% ( 1.5%) - 17.5%
Standard imaging - other 2.9% 736 $7,582,086 1.0% 1.0% - 4.9%
Ambulatory procedures - skin 0.5% 1,645 $6,254,419 0.1% 0.2% - 0.8%
Other tests - cardiovascular stress tests 1.8% 481 $6,107,076 0.8% 0.3% - 3.3%
Advanced imaging - CAT: other 0.4% 1,155 $5,110,982 0.2% 0.1% - 0.7%
Oncology - radiation therapy 0.5% 558 $4,685,506 0.3% ( 0.1%) - 1.1%
Other tests - EKG monitoring 3.5% 145 $4,497,852 1.4% 0.7% - 6.2%
Lab tests - blood counts 1.7% 2,677 $4,412,350 0.3% 1.0% - 2.3%
Echography - eye 3.4% 205 $4,192,982 1.3% 0.9% - 5.9%
Standard imaging - breast 1.2% 905 $4,025,359 0.6% ( 0.1%) - 2.4%
Immunizations/Vaccinations 1.3% 2,233 $3,704,727 0.4% 0.6% - 2.0%
Advanced imaging - CAT: head 1.2% 465 $3,693,951 0.8% ( 0.3%) - 2.7%
Echography - heart 0.3% 1,662 $3,339,707 0.2% ( 0.0%) - 0.6%
Lab tests - routine venipuncture (non Medicare fee schedule) 2.0% 5,141 $3,080,440 0.3% 1.4% - 2.7%
Imaging/procedure - other 1.1% 542 $2,940,869 0.6% ( 0.1%) - 2.2%
Lab tests - automated general profiles 0.9% 2,739 $2,718,423 0.3% 0.4% - 1.4%
Eye procedure - other 0.6% 189 $2,666,812 0.6% ( 0.5%) - 1.7%
Oncology - other 0.9% 471 $2,424,068 0.5% ( 0.1%) - 1.9%
Lab tests - urinalysis 3.8% 1,539 $2,129,171 0.6% 2.5% - 5.0%
Endoscopy - bronchoscopy 2.3% 40 $1,795,010 0.4% 1.5% - 3.2%
Endoscopy - other 1.1% 77 $1,439,088 1.0% ( 1.0%) - 3.1%
Endoscopy - upper gastrointestinal 0.3% 221 $1,438,916 0.2% ( 0.1%) - 0.7%
Standard imaging - contrast gastrointestinal 1.4% 129 $1,111,461 0.8% ( 0.2%) - 3.1%
Lab tests - glucose 5.7% 505 $1,079,928 2.7% 0.5% - 10.9%
Ambulatory procedures - musculoskeletal 0.3% 93 $980,558 0.3% ( 0.3%) - 0.9%
Endoscopy - cystoscopy 0.3% 145 $976,422 0.3% ( 0.3%) - 0.9%
Other - non-Medicare fee schedule 1.8% 456 $691,471 0.9% ( 0.1%) - 3.6%
Lab tests - bacterial cultures 1.0% 596 $691,053 0.4% 0.2% - 1.7%
Medical/surgical supplies 0.0% 58 $103 0.0% ( 0.0%) - 0.0%
Endoscopy - laryngoscopy 0.0% 42 N/A N/A N/A
Enteral and parenteral 0.0% 35 N/A N/A N/A
Eye procedure - cataract removal/lens insertion 0.0% 260 N/A N/A N/A
Imaging/procedure - heart including cardiac catheter 0.0% 433 N/A N/A N/A
Major procedure - explor/decompr/excisdisc 0.0% 54 N/A N/A N/A
Major procedure, cardiovascular-Pacemaker insertion 0.0% 46 N/A N/A N/A
Major procedure, orthopedic - other 0.0% 128 N/A N/A N/A
No Service Code 0.0% 59 N/A N/A N/A
Orthotic devices 0.0% 50 N/A N/A N/A
All Type of Services (Incl. Codes Not Listed) 5.0% 112,362 $3,678,057,770 0.3% 4.4% - 5.7%
Other drugs 12.2% 2,450 $573,326,552 4.4% 3.7% - 20.8%
Consultations 15.4% 2,412 $507,038,019 0.7% 14.0% - 16.7%
Office visits - established 5.2% 17,013 $487,828,985 0.2% 4.8% - 5.5%
Hospital visit - subsequent 11.0% 6,303 $479,372,543 0.7% 9.5% - 12.4%
Hospital visit - initial 17.2% 846 $190,653,155 1.4% 14.5% - 19.9%
Office visits - new 15.5% 1,249 $167,979,860 1.0% 13.5% - 17.5%
Minor procedures - other (Medicare fee schedule) 5.3% 7,492 $155,838,882 0.5% 4.2% - 6.3%
Nursing home visit 12.1% 1,699 $117,502,635 1.0% 10.2% - 14.1%
Chiropractic 15.5% 2,095 $91,432,131 1.5% 12.5% - 18.5%