ICD 10 Advanced Topics 3

Question 1

The ICD-10-CM abbreviation 'NOS' is equivalent to which term?

Accepted Answer

Unspecified

Answer

NOS means 'not otherwise specified' and is equivalent to 'unspecified,' used when documentation lacks detail.

Question 2

A 'Code first' note in ICD-10-CM instructs the coder to:

Accepted Answer

Sequence the underlying etiology code before the manifestation

Answer

'Code first' identifies an etiology/manifestation pairing where the underlying condition must be sequenced before the manifestation.

Question 3

In etiology/manifestation coding, the manifestation code typically appears in the Tabular List with what convention?

Accepted Answer

In brackets and 'use additional code'

Answer

Manifestation codes appear in brackets in the Alphabetic Index and carry a 'use additional code' note, and they may never be sequenced first.

Question 4

What does the 7th character 'D' represent for an injury code?

Accepted Answer

Subsequent encounter during healing/recovery

Answer

The 7th character 'D' indicates a subsequent encounter, used after the patient has received active treatment and is in the healing or recovery phase.

Question 5

For fracture coding, which 7th character indicates a subsequent encounter for a fracture with nonunion?

Accepted Answer

K

Answer

The 7th character 'K' designates a subsequent encounter for a fracture with nonunion.

ICD 10 Practice Test