Diagnostic exam of nasal passages using an endoscope
Medicare pricing data for 11,917 providers across 52 states
Prices vary significantly by location — from $62 in Vermont to $220 in District of Columbia. Where you get this procedure matters more than almost any other factor. Note: These costs reflect the Medicare physician/supplier component. Hospital facility fees are billed separately and can be 2-5x the physician fee.
💡 What You Should Know
Diagnostic exam of nasal passages using an endoscope (HCPCS code 31231) is a medical procedure billed to Medicare. The average Medicare-allowed cost is $176.00, but hospitals typically charge $529.52 — a 3.0x markup. Prices vary significantly by state and provider.
🏷️ Typical Out-of-Pocket Cost
Medicare patients typically pay about 20% of the allowed amount as coinsurance. Based on the average allowed cost of $176.00, your out-of-pocket cost would be approximately $35.20. Actual costs depend on your specific plan, deductible, and whether you've met your annual out-of-pocket maximum.
What Hospitals Charge vs. What Medicare Pays
Hospitals charge 3.0x more than what Medicare allows for this procedure. Medicare actually pays $133.20 on average.
Cost by State
Medicare-allowed amounts vary significantly by state
| State | Allowed Cost | Hospital Charge | Providers | Services | vs. National |
|---|---|---|---|---|---|
| District of Columbia | $220 | $437 | 39 | 2,418 | +25.0% |
| New York | $220 | $756 | 858 | 94,903 | +25.0% |
| New Jersey | $215 | $662 | 351 | 36,563 | +22.0% |
| Maryland | $202 | $482 | 224 | 17,376 | +14.8% |
| Connecticut | $201 | $646 | 139 | 7,817 | +14.3% |
| Rhode Island | $192 | $481 | 20 | 892 | +9.0% |
| Hawaii | $191 | $398 | 39 | 2,339 | +8.3% |
| Alaska | $189 | $925 | 35 | 439 | +7.2% |
| Puerto Rico | $186 | $247 | 43 | 1,151 | +5.8% |
| Florida | $183 | $428 | 870 | 92,639 | +3.9% |
| Wyoming | $181 | $407 | 15 | 553 | +3.1% |
| Massachusetts | $178 | $670 | 345 | 22,634 | +1.2% |
| Colorado | $178 | $491 | 233 | 9,027 | +1.1% |
| Texas | $176 | $498 | 853 | 35,324 | +0.3% |
| Arizona | $176 | $496 | 190 | 15,042 | +0.2% |
| Illinois | $175 | $565 | 466 | 23,288 | -0.6% |
| Virginia | $174 | $428 | 290 | 12,947 | -0.9% |
| Georgia | $174 | $576 | 388 | 17,103 | -1.0% |
| Washington | $174 | $482 | 253 | 7,904 | -1.3% |
| Pennsylvania | $172 | $422 | 616 | 37,323 | -2.3% |
| Nevada | $171 | $475 | 56 | 2,762 | -2.9% |
| Delaware | $171 | $448 | 36 | 3,153 | -3.1% |
| Indiana | $170 | $434 | 212 | 7,398 | -3.2% |
| Minnesota | $170 | $652 | 236 | 5,058 | -3.3% |
| Oklahoma | $168 | $479 | 125 | 3,790 | -4.8% |
| Missouri | $167 | $531 | 225 | 5,858 | -5.0% |
| Montana | $166 | $409 | 54 | 1,916 | -5.7% |
| Kentucky | $166 | $329 | 170 | 5,851 | -5.9% |
| Kansas | $165 | $391 | 115 | 5,568 | -6.3% |
| North Carolina | $165 | $467 | 371 | 14,177 | -6.5% |
| South Carolina | $163 | $451 | 249 | 14,016 | -7.3% |
| Oregon | $163 | $557 | 156 | 4,738 | -7.6% |
| Maine | $162 | $353 | 53 | 1,314 | -7.8% |
| Arkansas | $162 | $433 | 73 | 2,082 | -8.0% |
| South Dakota | $161 | $495 | 48 | 1,097 | -8.6% |
| Louisiana | $158 | $527 | 230 | 6,112 | -10.2% |
| Mississippi | $157 | $488 | 84 | 3,249 | -11.0% |
| Michigan | $155 | $386 | 383 | 8,478 | -11.9% |
| Tennessee | $155 | $515 | 235 | 8,545 | -12.1% |
| Alabama | $151 | $335 | 164 | 6,330 | -14.2% |
| Idaho | $147 | $449 | 60 | 1,496 | -16.6% |
| Utah | $146 | $431 | 112 | 2,341 | -17.2% |
| Nebraska | $145 | $449 | 113 | 3,908 | -17.4% |
| Iowa | $145 | $540 | 136 | 4,791 | -17.9% |
| West Virginia | $143 | $462 | 66 | 1,304 | -18.6% |
| Ohio | $140 | $438 | 413 | 11,984 | -20.7% |
| Wisconsin | $138 | $934 | 236 | 4,616 | -21.8% |
| California | $137 | $483 | 1,039 | 104,980 | -22.2% |
| New Mexico | $128 | $407 | 61 | 1,717 | -27.4% |
| New Hampshire | $119 | $400 | 61 | 1,348 | -32.2% |
| North Dakota | $85 | $290 | 42 | 537 | -51.9% |
| Vermont | $62 | $112 | 13 | 383 | -65.0% |
⚠️ Important: These costs reflect the Medicare physician/supplier component. Hospital facility fees may be billed separately. Total out-of-pocket costs may be higher.
💊 Need post-procedure medications? Check costs on OpenPrescriber