MEDICAL ASSISTANT TRACK

Coding & Insurance Basics

How a visit becomes a clean claim — the MA's supporting role
⚠ DRAFT — awareness level, not a certified-coder course · MA works under provider direction
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K
Coach Katie
Every visit turns into a claim the office sends to insurance. You won't assign the codes — certified coders and billers do that. But your accurate intake and clean documentation are what make a correct claim possible. Let's see where you fit.
The two code sets

ICD-10 vs CPT — in plain English

A claim needs to tell the insurer two things: why the patient was seen and what was done. Two different code sets answer those questions.

🩺 ICD-10 = the "why"
The diagnosis — the reason for the visit (e.g., a specific condition or symptom).
🛠️ CPT = the "what"
The procedure or service that was actually done (e.g., an office visit, an injection, a test).
Easy memory: ICD-10 = Diagnosis ("why"). CPT = the procedure/service ("what was done"). They work together on the claim — the "why" has to support the "what."
Your role — and your limits

The MA supports coding; coders assign it

Here's the boundary that keeps you in scope: you support correct coding — you don't assign the final codes. Certified coders and billers do that.

  • Your job: accurate intake, complete forms, and clean documentation of what actually happened.
  • The coder/biller's job: reading the provider's note and assigning the final ICD-10 and CPT codes.
  • Never guess a code or pick one that "seems close." A wrong guess can create a wrong claim.
Scope reminder: the MA works under the provider's direction and does not diagnose, prescribe, or assign final codes. When something's unclear, route it to the right person — don't fill the gap yourself.
Insurance basics

What the patient actually pays

Patients ask MAs these questions all day. Knowing the plain-English meaning helps you explain and helps the front office collect correctly.

Copay
A fixed amount the patient pays at the visit (e.g., a set fee for an office visit).
Deductible
What the patient pays out of pocket before insurance starts to pay.
Coinsurance
A percentage share the patient pays after the deductible is met.
Prior authorization
The insurer's advance OK for a service — required before some procedures or it may not be covered.
Copay vs deductible: a copay is a fixed amount at the visit; a deductible is the amount the patient pays before insurance begins to pay at all.
Front-office flow

How a clean claim starts before the patient arrives

  • Verify insurance eligibility BEFORE the visit — confirm the plan is active and the service is covered.
  • Confirm prior authorization for any procedure that needs it, ahead of time.
  • Collect the copay at check-in.
  • Document completely — a documentation gap can cause the claim to be denied.
A missing detail = a denied claim. If the note is incomplete or eligibility wasn't checked, the claim can be rejected and the patient can get stuck with a surprise bill.
Protect against errors & fraud

Charge for what was actually done

Billing integrity isn't optional. A few bright-line rules protect patients, the practice, and you.

  • Never upcode — don't bill for a bigger or more expensive service than was actually performed.
  • Never alter documentation to make a claim pay.
  • Charge for what was actually done — no more, no less.
Bottom line: when documentation is honest and complete, coding is easier, claims pay, and everyone stays on the right side of the rules.
K
Coach Katie
Two front-office moments. Pick the response that stays in scope, protects the patient from a surprise bill, and routes work to the right person.
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Coach Katie
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Coach Katie
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