ICD-10-CM
What is ICD 10-CM?
The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) is a system used by physicians and other healthcare providers to classify and code all diagnoses, symptoms and procedures recorded in conjunction with hospital care in the United States.
Key Notes
1.Sequencing of codes
2.See for Specificity
3.Follow Conventions
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ICD-10-CM
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Question 1 |
Dennis has been battling bouts of dizziness and is diagnosed with
bengin paroxysmal vertigo
A | H81.10, R42 |
B | R42 |
C | H81.10 |
D | H81.13 |
Question 1 Explanation:
Benign proximal vertigo of unspecified ear leads to the code
H81.01
Question 2 |
Type 1 diabetic patient is brought to the ER by ambulance in a coma. Patient is
pale, rapid heartbeat, and their face is covered in sweat. Physician finds the insulin
pump not delivering insulin and after reviewing the labs diagnosis the patient with
diabetic ketoacidosis with diabetic coma
A | T85.614A, T38.31XA, E10.641 |
B | T85.614A, T38.3X6A, E10.11 |
C | E10.11, T85.614A, T38.3X6A |
D | T85.614A, T38.3X6A, E11.641 |
Question 2 Explanation:
As per the guidelines The insulin pump malfunction should code as
primary and Under dosing /Overdosing should sequence as secondary diagnosis
and additional codes for complication
Question 3 |
A patient with AIDS is seen by her physician for severe dehydration. The final
diagnosis by the physician is salmonella with dehydration code is
A | A02.8, B20 |
B | A02.9, B20 |
C | A02.9, Z21 |
D | B20, A02.8 |
Question 3 Explanation:
Patient with severe dehydration that was not caused due to AIDS so
we have to code complication as primary and complication as secondary diagnosis
Question 4 |
Which statement is TRUE about Z codes:
A | Z codes are never reported as a primary code. |
B | Z codes are only reported with injury codes. |
C | Z codes may be used either as a primary code or a secondary code. |
D | Z codes are always reported as a secondary code. |
Question 4 Explanation:
According to ICD-10-CM Coding Guidelines (Section I.C.21.a): Z codes are for use in any
healthcare setting. Z codes may be used as either a first-listed (principal diagnosis code in the inpatient
setting) or secondary code, depending on the circumstances of the encounter. Certain Z codes may
only be used as first-listed, others only as secondary codes.
Multiple Choice C is the correct answer.
Question 5 |
STEMI myocardial infraction involving left anterior descending coronary artery
A | I22.0 |
B | I21.11 |
C | I21.02 |
D | I21.4 |
Question 5 Explanation:
STEMI Myocardial infarction of left anterior descending
coronary artery leads to the code I21.02
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