ICD 10 Z Codes and External Causes 2

Question 1

External cause codes in ICD-10-CM are located in which chapter?

Accepted Answer

Chapter 20 (External Causes of Morbidity)

Answer

Chapter 18 (Symptoms and Signs)

Answer

Chapter 19 (Injury and Poisoning)

Answer

Chapter 21 (Factors Influencing Health Status)

Question 2

Which external cause code category describes the activity the patient was engaged in at the time of injury?

Accepted Answer

Y93 – Activity codes

Answer

Y99 – External cause status

Answer

Y92 – Place of occurrence

Answer

Y95 – Nosocomial condition

Question 3

Which external cause code category identifies the place where an injury occurred?

Accepted Answer

Y92 – Place of occurrence

Answer

Y90 – Evidence of alcohol involvement

Answer

Y93 – Activity codes

Answer

Y99 – External cause status

Question 4

Transport accident external cause codes in ICD-10-CM begin with which letter?

Accepted Answer

V

Answer

W

Answer

X

Answer

Y

Question 5

External cause codes should be sequenced as:

Accepted Answer

Secondary codes — they are never sequenced as the principal diagnosis

Answer

The principal diagnosis when the cause is clearly documented

Answer

Only for accidental injuries, not assaults or self-harm

Answer

Mandatory only for inpatient hospital admissions

Question 6

Which external cause code category covers accidental falls in ICD-10-CM?

Accepted Answer

W codes (W00-W19)

Answer

V codes (V00-V99)

Answer

X codes (X00-X58)

Answer

Y codes (Y10-Y34)

Question 7

The external cause status code Y99.8 (Other external cause status) is assigned when the patient:

Accepted Answer

Was performing work but not military, recreational, or student activity

Answer

Was engaged in an activity of unknown type

Answer

Was participating in leisure or recreational activity

Answer

Was injured at a work site with no other details