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ICD-10 Guide
ICD-10 CodesK72.91

K72.91

Billable

Hepatic failure, unspecified with coma

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/06/2025

Code Description

ICD-10 K72.91 is a billable code used to indicate a diagnosis of hepatic failure, unspecified with coma.

Key Diagnostic Point:

Hepatic failure, unspecified with coma, is a severe condition characterized by the liver's inability to perform its vital functions, leading to a buildup of toxins in the bloodstream and subsequent neurological impairment. The liver, a crucial organ in the digestive system, is responsible for metabolizing nutrients, detoxifying harmful substances, and producing essential proteins. In hepatic failure, the liver's functional capacity diminishes, which can result from various etiologies, including viral hepatitis, alcoholic liver disease, drug-induced liver injury, or metabolic disorders. The progression of hepatic failure can be rapid, particularly in acute cases, leading to complications such as hepatic encephalopathy, which manifests as confusion, altered consciousness, and coma. Diagnosis typically involves clinical evaluation, laboratory tests (e.g., liver function tests, ammonia levels), and imaging studies to assess liver structure and function. Early recognition and intervention are critical to improving outcomes, as the condition can rapidly escalate to multi-organ failure if not managed promptly.

Code Complexity Analysis

Complexity Rating: High

High Complexity

Complexity Factors

  • Diagnostic complexity
  • Treatment complexity
  • Documentation requirements
  • Coding specificity

Audit Risk Factors

  • Common coding errors include misclassification of the type of hepatic failure.
  • Documentation gaps may arise from insufficient detail regarding the patient's neurological status.
  • Billing challenges can occur if the severity of the condition is not clearly articulated in the medical record.

Specialty Focus

Medical Specialties

Gastroenterology

Documentation Requirements

Standard ICD-10-CM documentation requirements apply

Common Clinical Scenarios

Various clinical presentations within this specialty area

Billing Considerations

Follow specialty-specific billing guidelines

Critical Care Medicine

Documentation Requirements

Standard ICD-10-CM documentation requirements apply

Common Clinical Scenarios

Various clinical presentations within this specialty area

Billing Considerations

Follow specialty-specific billing guidelines

Related ICD-10 Codes

Related CPT Codes

CPT Code

Clinical Scenario

Documentation Requirements

CPT Code

Clinical Scenario

Documentation Requirements

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

Hepatic failure with coma has significant clinical implications, often leading to increased healthcare utilization due to the need for intensive monitoring and treatment. The condition poses a high risk for mortality and long-term morbidity, affecting population health outcomes. Quality measures may focus on timely intervention and management of hepatic failure to improve survival rates. Epidemiologically, the incidence of hepatic failure is rising, particularly in populations with high rates of liver disease, necessitating targeted public health strategies.

ICD-9 vs ICD-10

Hepatic failure with coma has significant clinical implications, often leading to increased healthcare utilization due to the need for intensive monitoring and treatment. The condition poses a high risk for mortality and long-term morbidity, affecting population health outcomes. Quality measures may focus on timely intervention and management of hepatic failure to improve survival rates. Epidemiologically, the incidence of hepatic failure is rising, particularly in populations with high rates of liver disease, necessitating targeted public health strategies.

Reimbursement & Billing Impact

Reimbursement considerations include the need for clear evidence of medical necessity for critical care services, as well as appropriate coding for any procedures performed. Common denials may arise from insufficient documentation of the patient's condition or failure to demonstrate the medical necessity of the services rendered. Best practices include ensuring that all clinical findings, treatment plans, and patient responses are thoroughly documented to support the billing process.

Resources

Clinical References

  • •
    ICD-10 Official Guidelines for K00-K99
  • •
    Clinical Documentation Requirements

Coding & Billing References

  • •
    ICD-10 Official Guidelines for K00-K99
  • •
    Clinical Documentation Requirements

Frequently Asked Questions

What specific conditions are covered by K72.91?

K72.91 encompasses unspecified hepatic failure with coma, which may arise from acute liver failure, chronic liver disease exacerbations, or acute-on-chronic liver failure scenarios. It is crucial to document the underlying cause of liver dysfunction when available.

When should K72.91 be used instead of related codes?

K72.91 should be used when a patient presents with hepatic failure accompanied by coma, and the specific cause of hepatic failure is not clearly defined. If the cause is known, more specific codes should be utilized.

What documentation supports K72.91?

Documentation must include a clear clinical assessment of hepatic failure, evidence of coma (e.g., Glasgow Coma Scale scores), and any relevant laboratory findings that support liver dysfunction, such as elevated liver enzymes and ammonia levels.