Test to determine lung volumes using gas dilution or washout
Medicare pricing data for 6,880 providers across 51 states
Prices vary significantly by location — from $11 in Wyoming to $51 in Alaska. 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
Test to determine lung volumes using gas dilution or washout (HCPCS code 94727) is a medical procedure billed to Medicare. The average Medicare-allowed cost is $34.82, but hospitals typically charge $100.33 — a 2.9x 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 $34.82, your out-of-pocket cost would be approximately $6.96. 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 2.9x more than what Medicare allows for this procedure. Medicare actually pays $26.85 on average.
Cost by State
Medicare-allowed amounts vary significantly by state
| State | Allowed Cost | Hospital Charge | Providers | Services | vs. National |
|---|---|---|---|---|---|
| Alaska | $51 | $347 | 3 | 46 | +45.7% |
| New York | $45 | $143 | 639 | 35,293 | +30.1% |
| Puerto Rico | $42 | $87 | 63 | 1,725 | +21.8% |
| Montana | $41 | $89 | 10 | 122 | +18.8% |
| Virginia | $41 | $113 | 208 | 8,350 | +17.2% |
| California | $40 | $114 | 409 | 17,631 | +15.9% |
| Nevada | $40 | $119 | 52 | 1,679 | +14.0% |
| Michigan | $40 | $89 | 109 | 4,553 | +13.8% |
| New Jersey | $39 | $137 | 419 | 20,789 | +13.1% |
| North Dakota | $39 | $119 | 1 | 39 | +12.3% |
| Florida | $38 | $77 | 728 | 34,699 | +8.0% |
| Arizona | $36 | $81 | 101 | 5,178 | +3.3% |
| Maryland | $36 | $103 | 167 | 13,978 | +3.3% |
| Washington | $36 | $112 | 128 | 1,757 | +3.2% |
| Colorado | $36 | $74 | 99 | 2,873 | +2.9% |
| Georgia | $34 | $117 | 169 | 9,900 | -3.0% |
| North Carolina | $34 | $124 | 170 | 5,497 | -3.1% |
| Oregon | $34 | $92 | 46 | 649 | -3.6% |
| Connecticut | $33 | $120 | 209 | 6,722 | -5.4% |
| Alabama | $32 | $83 | 243 | 10,073 | -7.5% |
| Texas | $32 | $99 | 331 | 9,766 | -8.5% |
| Tennessee | $31 | $94 | 263 | 8,529 | -9.7% |
| Pennsylvania | $31 | $78 | 393 | 10,939 | -10.5% |
| Arkansas | $31 | $78 | 39 | 2,754 | -10.9% |
| South Carolina | $31 | $69 | 75 | 1,941 | -11.5% |
| West Virginia | $30 | $113 | 37 | 847 | -15.2% |
| Mississippi | $29 | $77 | 63 | 2,952 | -16.2% |
| Iowa | $29 | $94 | 58 | 1,488 | -18.2% |
| Indiana | $26 | $61 | 163 | 6,049 | -25.3% |
| Kentucky | $26 | $72 | 100 | 2,012 | -26.4% |
| Illinois | $25 | $106 | 184 | 2,909 | -28.2% |
| District of Columbia | $24 | $69 | 27 | 648 | -31.5% |
| New Mexico | $23 | $62 | 29 | 290 | -34.4% |
| Oklahoma | $23 | $58 | 62 | 2,334 | -35.4% |
| Rhode Island | $21 | $107 | 37 | 1,063 | -38.7% |
| Ohio | $21 | $61 | 283 | 6,066 | -39.7% |
| Minnesota | $21 | $77 | 52 | 719 | -39.7% |
| Massachusetts | $20 | $66 | 224 | 9,270 | -42.5% |
| Missouri | $20 | $57 | 110 | 2,170 | -43.4% |
| Kansas | $19 | $72 | 38 | 801 | -45.4% |
| Louisiana | $19 | $67 | 89 | 3,185 | -46.8% |
| Utah | $18 | $57 | 44 | 2,298 | -47.0% |
| Delaware | $18 | $48 | 16 | 402 | -48.2% |
| Maine | $16 | $59 | 22 | 256 | -53.6% |
| Wisconsin | $16 | $96 | 55 | 426 | -53.7% |
| Nebraska | $15 | $48 | 15 | 226 | -58.2% |
| Hawaii | $14 | $60 | 23 | 137 | -59.8% |
| New Hampshire | $12 | $53 | 44 | 644 | -64.8% |
| Idaho | $12 | $37 | 7 | 89 | -65.6% |
| South Dakota | $12 | $74 | 8 | 210 | -66.4% |
| Wyoming | $11 | $39 | 1 | 354 | -67.1% |
⚠️ 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