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2018 CPC Practice Exam Answer Key 150 Questions With Full Rationale (HCPCS, ICD-9-CM, ICD-10, CPT Codes) Click here for more sample CPC practice exam questions with Full Rationale Answers

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Click here for more sample CPC practice exam questions and answers with full rationale

Check NCDs for Medical Necessity Code Changes

When ICD-10-CM is updated Oct. 1, so are these National Coverage Determinations. Are you wondering which National Coverage Determinations (NCDs) will be affected by the thousands of diagnosis code changes going into effect Oct. 1? A Centers for Medicare & Medicaid Services (CMS) transmittal tells all. CMS Transmittal 11546, issued Aug. 4, is a one-time […]

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AAPC Knowledge Center

Medical Necessity: Is It Really Necessary?

Come to terms with payers to protect your provider’s revenue stream. “Medical necessity” is an important concept for medical coders and auditors to understand. Health insurance companies (payers) use criteria to determine whether items or services provided to their beneficiaries or members are medically necessary. As a rule, payers will not reimburse for medical procedures, […]

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AAPC Knowledge Center

Fortify Your Understanding of Medical Necessity

The quality of evaluation and management documentation is paramount for clinician reimbursement. Evaluation and management (E/M) services are the most vulnerable to billing errors because it is complicated to select the proper code for the level of service captured in the documentation. A firm grasp of the differences between medical decision making (MDM) and medical […]

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AAPC Knowledge Center

Coding for Medical Necessity 2019


Are you ready for civil penalties of up to $ 11,000 per billing error? Medical necessity errors, however unintentional, are being tried under the False Claims Act (FCA) as “knowingly false” acts—and losing in courts nationwide with thousands of dollars in civil penalties and exclusion from participating with Medicare.


If you aren’t prepared to pay the penalties, stay compliant and protect your revenue with Coding for Medical Necessity 2019.  Master how to integrate best practices for correct documentation, coding, and billing across specialties – and learn how to appeal denials even when you do everything right, and payers won’t comply.  


Get solid, real-world advice with examples, tools, Q&A, and expert guidance across specialties to master documentation, coding, and billing for medical necessity – including E/M services – and avoid audits. Conquer common coding errors, learn the ins and outs of documentation, and resolve common revenue-reducing problems to keep your practice profitable


Nail down medical necessity and get paid right the first time:
  • Find Out Why Medicare Advantage Claims are Under Scrutiny
  • Code by the Numbers for MDM
  • End E/M Coding Confusion With Payer Advice
  • Dodge Medical Necessity Errors With CERT Smarts
  • Your Diagnosis are Doing More Than Declaring Medical Necessity
  • 13 Expert Pointers to Fend Off RAC Audits, Denials
  • Check LCD, Payer Policies when Appealing Medical Necessity Denials
  • Document Necessity in This E/M-25 Encounter
  • Know How to Prove Necessity for Modifier 25
  • Don’t Be Surprised If RAC Review Is Around The Corner
  • Mind Modifiers for Repeat Chest X-Rays
  • Clip and Save: These Diagnoses Might Mean Facet Joint Injection
  • Use these 4 Pointers for Accurate Pressure Ulcer Coding
  • Refine Your Fracture Coding Using these 2 Guidelines
  • Prove Urine Test Medical Necessity With Accurate ICD-10 Codes
  • See How ‘Medical Necessity’ Factors into GI Surgery Pay
  • Dodge Denial Bullet with Arthrocentesis/Aspiration/Injection Advice
  • Incorrect Codes, Poor Notes, and Setting Debacles Add to E/M Fails
  • Getting Denied? Pay Attention to Procedure/Diagnosis Linkage
  • Your Diagnosis Choice Can Affect Your Pay


Coding Ahead

Medical Necessity: Why It Matters, Ways to Demonstrate It

“Medical necessity” is difficult to define, with as many different interpretations as there are payers; however, most definitions incorporate the idea that healthcare services must be “reasonable and necessary” or “appropriate,” given a patient’s condition and the current standards of clinical practice. Yet typically, the decision as to whether services are medically necessary is made […]

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AAPC Knowledge Center

Healthy Colonoscopy follow up…medical necessity??

Pt comes back in for results of the colonoscopy, they have already come in for a pre-appt that wasn’t billable because they were healthy, now they are coming for their results…unnecessary? Thanks for your thoughts..my thought is send him a letter and see pts that need to be seen. :confused:

HISTORY OF PRESENT ILLNESS: ….. is a 55-year-old male who
comes to the office on 01/31/2019 for a followup for a
colonoscopy. The colonoscopy, the patient states that he had a
good prep. It did not make him sick. He does not remember the
procedure, and he had no ill effects from the procedure. He is
in zero type pain at the present time.

PHYSICAL EXAMINATION: General: Demonstrates a 55-year-old
white male, oriented x3, pleasant and cooperative.
Vital Signs: Temperature 97.6, pulse 57, respirations 20, BP of
132/78, 6 feet tall, 248 pounds, 97% on room air. 0 pain at the
present time.
Lungs: Clear to auscultation bilaterally. No rales, rhonchi or
friction rubs. No wheezing. Normal respiratory effort. No
shortness of breath.
Heart: Regular rate and rhythm. No S3 or S4 sounds are heard.
No chest pain during the examination. No bruits heard over the
carotids or aorta. No swelling to the lower extremities.
Abdomen: No masses in the abdomen. No tenderness. No
organomegaly. No evidence of hernia.

We reviewed the following material for this visit.

CURRENT MEDICATIONS: We reviewed his medication list.

IMAGING: We reviewed the chest x-ray from 01/04/2019.

LABORATORY: We reviewed his blood work from January 4, 2019.

We reviewed his colonoscopy from 01/25/2019, which demonstrated
2 polyps. We reviewed the pathology report from 01/25/2019,
which demonstrated the 2 polyps to be adenomatous polyps. One
is a pure adenoma, the other one was a tubular adenoma. No
evidence of dysplasia, metaplasia or cancer.

We reviewed the consultation from 01/02/2019.

IMPRESSION: We have a healthy 55-year-old white male who grows
adenomatous polyps.

RECOMMENDATIONS: A repeat colonoscopy in 2 years.

Medical Billing and Coding Forum

Determine Medical Necessity for 99233

Know what payers are looking for in subsequent hospital care claims, and how to give it to them. Medical necessity is the No. 1 consideration when selecting an evaluation and management (E/M) service code. Without medical necessity to support billed services, your practice is put at a serious noncompliance risk. Consider, for example, one payer’s […]

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AAPC Knowledge Center

Vitamin D testing denial for medical necessity

Our local Regence is denying all vitamin D testing, even with the code E55.9 stating it does not meet medical necessity. I have decided to try and appeal those who actually have vitamin D deficiency but what about those who have symptoms necessitating more screening lab like Vitamin D testing? Also, it appears that Regence has the whole charge as a contractual adjustment. Can we really not bill the patient for this lab (some patients request it). We are going to implement an ABN, but if we do not have one, can we still bill the patient? The EOBs are confusing as they list a contractual adjustment amount, and then then they add CO-50 which is the "does not meet medical necessity."

Medical Billing and Coding Forum