CCDS Respiratory Failure & Vents 2

Question 1

Which ICD-10-CM code distinguishes acute hypoxic respiratory failure from acute hypercapnic respiratory failure?

Accepted Answer

J96.01 versus J96.02

Answer

J96.01 is acute respiratory failure with hypoxia, and J96.02 is acute respiratory failure with hypercapnia. Both are MCC-level codes. Distinguishing between them requires physician documentation of whether the failure is oxygenation-based (hypoxic) or ventilation-based (hypercapnic).

Question 2

A patient on mechanical ventilation has a tracheostomy placed on day 5 of ventilation. The patient continues on the vent for a total of 14 days before being weaned. Which ICD-10-PCS codes are required?

Accepted Answer

Codes for both the tracheostomy procedure and mechanical ventilation performance

Answer

Both the tracheostomy procedure and mechanical ventilation performance require separate ICD-10-PCS codes. The tracheostomy is coded from the Medical and Surgical section, and mechanical ventilation is coded from Section 5.

Question 3

A physician documents 'respiratory insufficiency' for a patient on 3L nasal cannula. A CDI specialist considers querying for respiratory failure. What clinical threshold is commonly referenced to distinguish insufficiency from failure?

Accepted Answer

PaO2 below 60 mmHg or PaCO2 above 50 mmHg (acute), indicating inability to maintain adequate gas exchange

Answer

Clinical criteria commonly referenced for acute respiratory failure include PaO2 below 60 mmHg or oxygen saturation below 90% (hypoxic failure) or PaCO2 above 50 mmHg with acidosis (hypercapnic failure).

Question 4

Acute-on-chronic respiratory failure (J96.2x) as a secondary diagnosis is classified as which CC/MCC level?

Accepted Answer

MCC (Major Complication or Comorbidity)

Answer

Acute-on-chronic respiratory failure codes (J96.20, J96.21, J96.22) are designated as MCCs in the MS-DRG system.

Question 5

Which ventilator mode is associated with ARDS management and involves using low tidal volumes to prevent ventilator-induced lung injury?

Accepted Answer

Lung-protective ventilation (ARDSNet protocol) with tidal volumes of 6 mL/kg of predicted body weight

Answer

The ARDSNet lung-protective ventilation strategy uses low tidal volumes (6 mL/kg of predicted body weight) with permissive hypercapnia to minimize ventilator-induced lung injury.

CCDS - Certified Clinical Documentation Specialist Practice Test

CCDS - Certified Clinical Documentation Specialist Practice Test

CCDS Respiratory Failure & Vents 2