PRACTICE EXAM 2026 | VERIFIED Q&A | HIGH
PASS RATE
CPC MEDICAL CODING ICD-10, CPT & BILLING PRACTICE EXAM 2026 | VERIFIED
Q&A | HIGH PASS RATE
This exam contains 300 carefully curated multiple-choice questions designed to
simulate the real CPC examination experience. Read each question thoroughly, attempt
an answer before checking the correct option, and study the RATIONALE to reinforce
your understanding.
Q1. A patient is seen for type 2 diabetes mellitus with diabetic chronic kidney disease,
stage 3. Which ICD-10-CM code combination is correct?
A. E11.65, N18.3
B. E11.9, N18.3
C. E11.649, N18.3
D. E13.65, N18.3
E. E11.65, N18.9
CORRECT ANSWER: A. E11.65, N18.3
RATIONALE: E11.65 captures type 2 diabetes mellitus with hyperglycemia and
CKD. ICD-10-CM instructs an additional code for the stage of CKD; N18.3 represents
stage 3 CKD. Both codes are required.
Q2. Which modifier is appended to a CPT code to indicate a service was performed by
a resident under the supervision of a teaching physician?
A. Modifier 25
, B. Modifier 57
C. Modifier GC
D. Modifier 22
E. Modifier 52
CORRECT ANSWER: C. Modifier GC
RATIONALE: Modifier GC is a HCPCS modifier indicating that a service was
performed in part by a resident under the direction of a teaching physician, as required
by Medicare teaching physician rules.
Q3. A coder is reviewing a record where the physician documents "probable
pneumonia." The patient is being discharged from an inpatient facility. How should this
be coded?
A. Code only the symptoms (cough, fever)
B. Code pneumonia as confirmed
C. Query the physician for clarification
D. Code as unspecified respiratory condition
E. Leave the diagnosis uncoded
CORRECT ANSWER: B. Code pneumonia as confirmed
RATIONALE: Per ICD-10-CM Official Guidelines, for inpatient encounters,
uncertain diagnoses documented as "probable," "suspected," or "likely" at discharge are
coded as if confirmed. This rule applies only to inpatient settings.
,Q4. CPT code 99213 is best described as:
A. Office visit, new patient, low complexity
B. Office visit, established patient, low to moderate complexity
C. Emergency department visit, moderate complexity
D. Office visit, new patient, moderate complexity
E. Preventive visit, established patient
CORRECT ANSWER: B. Office visit, established patient, low to moderate
complexity
RATIONALE: 99213 is an office or outpatient visit for an established patient
requiring a medically appropriate history and/or exam and low to moderate medical
decision making, or 20–29 minutes of total time.
Q5. Which of the following ICD-10-CM codes represents a pathological fracture due to
osteoporosis, right femur, initial encounter?
A. S72.001A
B. M80.051A
C. M84.551A
D. M80.011A
E. M84.451A
, CORRECT ANSWER: B. M80.051A
RATIONALE: M80.051A represents age-related osteoporosis with current
pathological fracture, right femur, initial encounter for fracture. The M80 category is
used for osteoporosis with pathological fracture.
Q6. A surgeon performs a laparoscopic appendectomy. Which CPT code is reported?
A. 44950
B. 44960
C. 44970
D. 44979
E. 44955
CORRECT ANSWER: C. 44970
RATIONALE: CPT 44970 is the correct code for laparoscopic appendectomy. CPT
44950 and 44960 are open appendectomy codes; 44970 specifies the laparoscopic
approach.
Q7. What does the abbreviation "NEC" mean in ICD-10-CM?
A. Not Elsewhere Confirmed
B. Not Elsewhere Classified
C. No Evidence of Condition
D. Non-Essential Category