# Health - General (GHG)

## Title 2. Maryland Department of Health

### Subtitle 7. Use of Extrapolation in Recovery of Health Claim Overpayments

#### Section 2-701

(a) In this subtitle the following words have the meanings indicated.

(b) "Claim" has the meaning stated in Sec. 2-501 of this title.

(c) "Extrapolation" means the process of estimating an unknown value by projecting, with a calculated precision or margin of error, the results of the review of a sample to the universe from which the sample was drawn using a statistically valid sampling methodology.

(d) "Federal government" means an agency of the United States government or a contractor retained by the agency of the United States government.

(e) "Overpayment" means a payment that:

  (1) Is made by the Department to a provider for services or goods for which the provider submitted a claim to the Department;

  (2) Is found to be incorrect; and

  (3) Results in a payment greater than that to which the provider is entitled.

(f) "Program" has the meaning stated in Sec. 2-501 of this title.

(g) "Provider" has the meaning stated in Sec. 2-501 of this title.

(h) "Statistically valid sampling methodology" means a methodology used for extrapolation that has a confidence level of 90% or greater and is validated by a statistician who possesses at least a master's degree in statistics.

(i) "Universe" means a defined population of claims submitted by a provider to the Department and paid to the provider by the Department during a specified time period.

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Md. Code Ann., Health-Gen. (as displayed at mgaleg.maryland.gov, October 16, 2026)