ICD-10-CM Coding for Medical Assistants: Master Disease and Injury Coding

Question 1

In ICD-10-CM coding, which principle requires assigning the most specific code possible?

Accepted Answer

Coding to the highest level of detail

Answer

Using only the first three characters of the code

Answer

Ignoring patient age and gender when coding

Question 2

Which of the following is NOT a principle for assigning ICD-10-CM codes?

Accepted Answer

Code based on the physician's impression, rather than the patient's symptoms.

Answer

Assign the most specific code that accurately describes the patient's condition.

Answer

Assign codes for all conditions documented in the medical record, regardless of their relevance to the primary diagnosis.

Answer

Use the official ICD-10-CM coding manual as the primary reference.

Question 3

Which of the following is NOT a type of skin cancer?

Accepted Answer

Leukemia

Answer

Melanoma

Answer

Basal cell carcinoma

Answer

Squamous cell carcinoma

Question 4

What is the appropriate code for a patient with type 1 diabetes mellitus without complications?

Accepted Answer

E10.90

Answer

E10.91

Answer

E10.92

Answer

E10.93

Question 5

Which of the following is a core principle of ICD-10-CM coding?

Accepted Answer

Assign the most specific code that best describes the condition

Answer

Use codes only from the most recent codebook

Answer

Code all symptoms and manifestations of a disease

Answer

Use the least recent version of the ICD-10-CM guidelines

Question 6

Which of the following is the most specific code for a patient with diabetes mellitus type 2 and diabetic retinopathy?

Accepted Answer

E11.311

Answer

E11.9

Answer

E11.31

Answer

E11.319

Question 7

What is the primary purpose of the 'V' code category in ICD-10-CM?

Accepted Answer

To code factors influencing health status

Answer

To code external causes of injury

Answer

To code symptoms and signs

Answer

To code diseases of the circulatory system

Question 8

Which of the following is a crucial guideline for assigning an ICD-10-CM code for a patient's diagnosis?

Accepted Answer

Prioritize coding the most specific diagnosis documented.

Answer

Determine the primary diagnosis based solely on the patient's chief complaint.

Answer

Always assign a code from the highest chapter level in the ICD-10-CM manual.

Answer

Use the code that directly corresponds to the patient's presenting symptoms.

Question 9

When reporting a code for a diagnosis with a laterality indicator, which format should be followed?

Accepted Answer

Code + Laterality Indicator (e.g., S60.001A)

Answer

Laterality Indicator + Code

Answer

Code + Modifier

Answer

Modifier + Code + Laterality Indicator

Question 10

Which of the following resources is not utilized for assigning ICD-10-CM codes?

Accepted Answer

Procedure Modifier Guidelines

Answer

ICD-10-CM Coding Manual

Answer

Alphabetic Index

Answer

Tabular List

Question 11

When reporting a diagnosis code with multiple manifestations, what is the correct order of reporting?

Accepted Answer

Most specific manifestation followed by the least specific manifestation

Answer

Least specific manifestation followed by the most specific manifestation

Answer

Alphabetical order

Answer

Chronological order

Question 12

Which modifier is used to indicate a condition that is present on admission but is unrelated to the reason for the patient's visit?

Accepted Answer

Z

Answer

-

Answer

V

Answer

E

Question 13

Which of the following ICD-10-CM codes represents a closed fracture of the right femur?

Accepted Answer

S72.011A: Closed fracture of the right femur, initial encounter for closed fracture

Answer

S72.111A: Closed fracture of the right femur, subsequent encounter for closed fracture

Answer

S72.211A: Open fracture of the right femur, initial encounter for open fracture

Answer

S72.311A: Open fracture of the right femur, subsequent encounter for open fracture

Question 14

When assigning an ICD-10-CM code for a laceration, which of the following is NOT a relevant factor to consider?

Accepted Answer

Age of the patient

Answer

Size of the laceration

Answer

Location of the laceration

Answer

Mechanism of the laceration

Question 15

What is the appropriate ICD-10-CM code for a patient with a history of hypertension who is currently asymptomatic?

Accepted Answer

I10.9: Essential hypertension, unspecified

Answer

I10: Essential hypertension

Answer

I11.9: Secondary hypertension, unspecified

Answer

I15: Hypertensive heart disease

Question 16

Which type of code is used to indicate a symptom or condition that is not a definitive diagnosis?

Accepted Answer

Z code

Answer

R code

Answer

S code

Answer

T code

Question 17

Which ICD-10-CM code is used to indicate a sprain of the right ankle?

Accepted Answer

S93.41XA: Sprain, right ankle, initial encounter

Answer

M24.614: Sprain, right ankle, subsequent encounter

Answer

S84.21XA: Strain, right ankle, initial encounter

Answer

S93.40XA: Sprain, right ankle, unspecified encounter

Question 18

A patient has pneumonia caused by Streptococcus pneumoniae. Which ICD-10-CM code should be used?

Accepted Answer

J13.0: Pneumonia, Streptococcus pneumoniae

Answer

J13.9: Pneumonia, unspecified organism

Answer

J15.0: Pneumonia, Mycoplasma pneumoniae

Answer

J15.9: Pneumonia, other specified organisms

Question 19

Which anatomical location prefix indicates the left side of the body?

Accepted Answer

L: Left

Answer

R: Right

Answer

Bil: Bilateral

Answer

NS: Not specified

Question 20

What is the ICD-10-CM code for a closed fracture of the right clavicle?

Accepted Answer

S42.031A: Closed fracture, right clavicle, initial encounter

Answer

S42.131A: Closed fracture, right clavicle, subsequent encounter

Answer

S42.231A: Open fracture, right clavicle, initial encounter

Answer

S42.331A: Open fracture, right clavicle, subsequent encounter

Question 21

A patient has a history of diabetes mellitus type 2 with complications. Which ICD-10-CM code should be assigned?

Accepted Answer

E11.21: Type 2 diabetes with complications

Answer

E11.9: Type 2 diabetes without complications

Answer

E14.3: Type 1 diabetes with complications

Answer

E14.9: Type 1 diabetes without complications

Question 22

What is the ICD-10-CM code for acute bronchitis?

Accepted Answer

J20.0: Acute bronchitis, unspecified

Answer

J20.1: Acute bronchitis, due to Streptococcus pneumoniae

Answer

J20.2: Acute bronchitis, due to Haemophilus influenzae

Answer

J20.8: Acute bronchitis, due to other specified organisms

Question 23

Which ICD-10-CM code represents a laceration of the left hand?

Accepted Answer

S60.011A

Answer

S60.111A

Answer

S60.211A

Answer

S60.311A

Question 24

Which of the following is the correct ICD-10-CM code for a closed fracture of the left femur shaft?

Accepted Answer

S72.211A: Closed fracture of left femur, shaft

Answer

S72.212A: Closed fracture of left femur, neck

Answer

S72.213A: Closed fracture of left femur, distal end

Answer

S72.214A: Closed fracture of left femur, unspecified

Question 25

What is the correct ICD-10-CM code for a stage II pressure ulcer located on the sacrum?

Accepted Answer

L89.122: Stage II pressure ulcer, sacrum

Answer

L89.123: Stage II pressure ulcer, coccyx

Answer

L89.124: Stage II pressure ulcer, ischial tuberosity

Answer

L89.125: Stage II pressure ulcer, unspecified

Question 26

What is the correct ICD-10-CM code for a patient with a history of breast cancer who is currently in complete remission?

Accepted Answer

Z85.31: Personal history of malignant neoplasm of breast

Answer

Z85.32: Personal history of malignant neoplasm of female genital organs

Answer

Z85.33: Personal history of malignant neoplasm of digestive organs

Answer

Z85.34: Personal history of malignant neoplasm of respiratory and intrathoracic organs

Question 27

Which of the following is a valid laterality code for a condition affecting the left lung?

Accepted Answer

2: Left

Answer

0: Bilateral

Answer

1: Right

Answer

3: Unspecified

Question 28

What is the correct ICD-10-CM code for a patient with a history of asthma who is currently asymptomatic?

Accepted Answer

J45.901: Asthma, unspecified, in remission

Answer

J45.902: Asthma, unspecified, controlled

Answer

J45.903: Asthma, unspecified, uncontrolled

Answer

J45.904: Asthma, unspecified, unspecified

Question 29

Which of the following is the appropriate ICD-10-CM code for a closed fracture of the left tibia and fibula at the ankle level?

Accepted Answer

S82.202A: Closed fracture of the distal end of the left tibia and fibula

Answer

S82.302A: Closed fracture of the shaft of the left tibia and fibula

Answer

S82.402A: Closed fracture of the proximal end of the left tibia and fibula

Answer

S82.502A: Closed fracture of the shaft of the left fibula only

Question 30

What is the correct ICD-10-CM code for a patient with an uncomplicated urinary tract infection?

Accepted Answer

N39.0: Urinary tract infection, lower, uncomplicated

Answer

N39.1: Urinary tract infection, lower, complicated

Answer

N39.2: Urinary tract infection, upper, uncomplicated

Answer

N39.3: Urinary tract infection, upper, complicated

Question 31

What is the correct ICD-10-CM code for a patient with a sprain of the left ankle?

Accepted Answer

S93.401A: Sprain of the left ankle, initial encounter

Answer

S93.411A: Sprain of the left ankle, subsequent encounter

Answer

S93.501A: Sprain of the right ankle, initial encounter

Answer

S83.411A: Sprain of the right wrist, subsequent encounter

Question 32

What is the appropriate ICD-10-CM code for a patient with a stage 2 pressure ulcer on the sacrum?

Accepted Answer

L89.122: Stage 2 pressure ulcer of the sacrum

Answer

L89.123: Stage 3 pressure ulcer of the sacrum

Answer

L89.124: Stage 4 pressure ulcer of the sacrum

Answer

L89.125: Unspecified stage pressure ulcer of the sacrum

Question 33

Which of the following ICD-10-CM codes represents a patient with acute appendicitis?

Accepted Answer

K35.10: Acute appendicitis without peritonitis

Answer

K35.00: Acute appendicitis with peritonitis

Answer

K35.20: Appendicitis, unspecified

Answer

K35.90: Other appendicitis

Question 34

What is the correct ICD-10-CM code for a patient with a malignant melanoma of the skin on the back?

Accepted Answer

C43.912: Malignant melanoma of the skin on the back, invasive

Answer

C43.902: Malignant melanoma of the skin on the back, in situ

Answer

C43.922: Malignant melanoma of the skin on the back, recurrent

Answer

C43.932: Malignant melanoma of the skin on the back, metastatic

Question 35

Which of the following ICD-10-CM codes is used to describe a patient with cholelithiasis without cholecystitis?

Accepted Answer

K80.00: Cholelithiasis without cholecystitis

Answer

K80.10: Cholelithiasis with acute cholecystitis

Answer

K80.20: Cholelithiasis with chronic cholecystitis

Answer

K80.30: Cholelithiasis with other cholecystitis