G0121 — Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk

What the market charges

Across 2,857 negotiated rates, the middle 80% fall between $187 and $1,100, with a median of $499.

What Medicare pays

Medicare allowed an average of $295 for this code, across 245,280 services billed by 7,705 providers. At the median, the market charges 1.7 times what Medicare pays for this code.

Where this is billed, and what it costs there

The states billing G0121 most, by Medicare service volume, each compared against the national average of $295. Each links to the providers Mishe lists there.

• California — 712 providers billed it, Medicare allowed $365 — 24% above the national average
• Florida — 598 providers billed it, Medicare allowed $300 — 2% above the national average
• Texas — 594 providers billed it, Medicare allowed $295 — level with the national average
• Pennsylvania — 377 providers billed it, Medicare allowed $285 — 3% below the national average
• New Jersey — 265 providers billed it, Medicare allowed $352 — 19% above the national average
• Ohio — 330 providers billed it, Medicare allowed $256 — 13% below the national average
• New York — 282 providers billed it, Medicare allowed $357 — 21% above the national average
• Maryland — 215 providers billed it, Medicare allowed $312 — 6% above the national average

Claim-editing rules

These are National Correct Coding Initiative procedure-to-procedure edits — the rules a payer applies when deciding whether two codes billed together are both payable.

Codes this one absorbs

Billed together, G0121 is the payable code and these are not separately payable. 229 pairs in total.

• 12001 — a modifier may allow both to be paid
• 12002 — a modifier may allow both to be paid
• 12004 — a modifier may allow both to be paid
• 12005 — a modifier may allow both to be paid
• 12006 — a modifier may allow both to be paid
• 12007 — a modifier may allow both to be paid
• 12011 — a modifier may allow both to be paid
• 12013 — a modifier may allow both to be paid
• 12014 — a modifier may allow both to be paid
• 12015 — a modifier may allow both to be paid
• 12016 — a modifier may allow both to be paid
• 12017 — a modifier may allow both to be paid

Codes that absorb this one

Billed alongside any of these, G0121 is not separately payable. 18 pairs in total.

• 45349 — no modifier can override this edit
• 45378 — no modifier can override this edit
• 45379 — no modifier can override this edit
• 45380 — no modifier can override this edit
• 45381 — no modifier can override this edit
• 45382 — no modifier can override this edit
• 45384 — no modifier can override this edit
• 45385 — no modifier can override this edit
• 45386 — no modifier can override this edit
• 45388 — no modifier can override this edit
• 45389 — no modifier can override this edit
• 45390 — no modifier can override this edit

Care pathways that use this code

Mishe builds care pathways that route a member to the right setting before anything is billed. These include G0121.

• Colon cancer screening — pick the test you’ll actually do

Other codes

• J2777 — Injection, faricimab-svoa, 0.1 mg
• J0897 — Injection, denosumab, 1 mg
• J9271 — Injection, pembrolizumab, 1 mg
• J0129 — Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered)
• G0008 — Administration of influenza virus vaccine
• G0439 — Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit
• J9144 — Injection, daratumumab, 10 mg and hyaluronidase-fihj
• J9299 — Injection, nivolumab, 1 mg
• J1745 — Injection, infliximab, excludes biosimilar, 10 mg
• J2357 — Injection, omalizumab, 5 mg

Deploy this for your team

Every figure on this page came from published payer and Medicare data, assembled by Mishe. The same pricing, claim-editing and care-pathway intelligence runs underneath the plans Mishe operates.

• Contact Mishe to learn how to deploy these resources for your team
• Guides to direct-pay healthcare
• Cash prices by procedure
• Find a provider by state

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