ICD-10-CM Diagnosis Coding Flashcards

Which chapter in ICD-10-CM contains codes for external causes of morbidity?

Answer: Chapter 20

Chapter 20 (V00–Y99) contains codes for external causes of morbidity.

A patient has essential hypertension and heart failure. In ICD-10-CM, these conditions are reported using:

Answer: A combination code from category I11

ICD-10-CM presumes a causal relationship between hypertension and heart failure, coded with a combination code from category I11.

What does 'code first' mean in ICD-10-CM?

Answer: Certain underlying conditions must be sequenced before the manifestation

'Code first' instructs the coder to sequence the underlying condition before the manifestation code.

In ICD-10-CM, which code category is used for a patient who is a carrier of an infectious disease but has no symptoms?

Answer: Z codes

Z codes are used for factors influencing health status, including disease carriers without active illness.

Which ICD-10-CM code set is used for neoplasm coding?

Answer: Codes from Chapter 2 (C00–D49)

Neoplasm codes are found in Chapter 2 of ICD-10-CM, ranging from C00 to D49.

What does 'sequela' mean in the context of ICD-10-CM coding?

Answer: A late effect resulting from a previous condition or injury

A sequela is a condition that is the late effect or residual of an injury or illness that has already healed.

When multiple burns are coded, how should they be sequenced?

Answer: Sequence the most severe (highest degree) burn first

ICD-10-CM guidelines require the highest degree burn to be sequenced first when multiple burns are present.

Which of the following best describes an 'unspecified' code in ICD-10-CM?

Answer: A code used when the condition is unknown or not documented

Unspecified codes are used when documentation does not provide enough detail to assign a more specific code.