# NAICS code for medical billing The NAICS code for medical billing is 541219 (Other Accounting Services). Its SBA small business size standard is $25 million in average annual receipts. Depending on the work, 561110 (Office Administrative Services) may fit better. This U.S. industry comprises establishments (except offices of CPAs) engaged in providing accounting services (except tax return preparation services only or payroll services only).Source: NAICS 2022 (Census).Official source: [U.S. Census Bureau NAICS](https://www.census.gov/naics/) | Industry | Medical Billing | | --- | --- | | Primary NAICS | [541219](https://samgovapi.io/naics/541219) | | Title | Other Accounting Services | | Size standard | $25 million in average annual receipts (13 CFR 121.201) | ## Other codes to consider | Code | Title | Size standard | | --- | --- | --- | | [541219](https://samgovapi.io/naics/541219) | Other Accounting Services | $25 million in average annual receipts | | [561110](https://samgovapi.io/naics/561110) | Office Administrative Services | $12.5 million in average annual receipts | ## What NAICS 541219 covers This U.S. industry comprises establishments (except offices of CPAs) engaged in providing accounting services (except tax return preparation services only or payroll services only). These establishments may also provide tax return preparation or payroll services. Accountant (except CPA) offices, bookkeeper offices, and billing offices are included in this industry. ## Examples classified under 541219 - Accountants' (except CPAs) offices - Accountants' (except CPAs) private practices - Accounting services (except CPAs) - Billing services - Bookkeepers' offices - Bookkeepers' private practices - Bookkeeping services - Medical coding services combined with accounting services (except CPA services) ## Get this as JSON ``` curl "https://samgovapi.io/api/v1/naics/541219" \ -H "Authorization: Bearer sg_YOUR_KEY" ``` MCP tool: `naics_lookup`Keys start free, with no card. [Get a free API key](https://samgovapi.io/sign-up) or read the [docs](https://samgovapi.io/docs). ## Questions What is the NAICS code for medical billing?The NAICS code most used for medical billing is 541219, Other Accounting Services. Depending on the work, 561110 may fit better.Is a medical billing business small for federal contracts?For NAICS 541219, a business is small at or under $25 million in average annual receipts (13 CFR 121.201), counting affiliates.Can I list more than one NAICS code?Yes. A SAM.gov registration can list many NAICS codes with one marked primary; each solicitation names the single code that applies to it. ## Related - [NAICS 541219](https://samgovapi.io/naics/541219) - [NAICS code lookup](https://samgovapi.io/naics-code-lookup) - [Size standard checker](https://samgovapi.io/size-standard-checker) - [NAICS code for an industry](https://samgovapi.io/naics-code-for)Independent. Not affiliated with, endorsed by or sponsored by GSA, SAM.gov or any U.S. government agency. Registering in SAM.gov is free at sam.gov.

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