ICD Code R40.20

ICD code R40.20 is unspecified coma, used when a patient is in a coma but the specific cause or type has not been determined or documented.

1. Patient presents with a state of unconsciousness.

2. No response to verbal or painful stimuli.

3. Duration of unconsciousness is undetermined or not documented.

4. No specific cause of coma identified at the time of assessment.

5. Absence of documentation specifying the depth or type of coma (e.g., Glasgow Coma Scale not recorded).

6. No additional clinical details available to assign a more specific coma code.

Relevant CPT codes that may be used to treat ICD code R40.20 include:

99291 – Critical care, evaluation and management of the critically ill or critically injured patient; first 30-74 minutes

99292 – Critical care, each additional 30 minutes

31500 – Intubation, endotracheal, emergency procedure

94002 – Ventilation assist and management, initiation of pressure or volume preset ventilators for assisted or controlled breathing; hospital inpatient/observation, initial day

94003 – Ventilation assist and management, hospital inpatient/observation, each subsequent day

36556 – Insertion of non-tunneled centrally inserted central venous catheter; age 5 years or older

36620 – Arterial catheterization or cannulation for sampling, monitoring, or transfusion

93010 – Electrocardiogram, interpretation and report only

71045 – Chest X-ray, single view

96365 – Intravenous infusion, for therapy, prophylaxis, or diagnosis; initial, up to 1 hour

Schedule a demo to see how MD Clarity’s RevFind software can read your contracts and automatically detect underpayments for CPT codes related to ICD code R40.20. Ensure your organization is paid accurately—discover the power of RevFind today.