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ICD-10 Guide
ICD-10 CodesC22.7

C22.7

Billable

Other specified carcinomas of liver

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/05/2025

Code Description

ICD-10 C22.7 is a billable code used to indicate a diagnosis of other specified carcinomas of liver.

Key Diagnostic Point:

C22.7 refers to other specified carcinomas of the liver, which encompasses a variety of malignant tumors that do not fall under the more common classifications of hepatocellular carcinoma (HCC) or cholangiocarcinoma. These tumors may include rare forms such as sarcomas or mixed tumors. The liver is a vital organ responsible for numerous metabolic processes, and the presence of carcinoma can significantly impair its function. Patients with liver cancer often have underlying liver disease, such as cirrhosis, which can complicate treatment options and prognosis. Alpha-fetoprotein (AFP) levels are often monitored in patients with liver cancer, as elevated levels can indicate the presence of HCC, but may not be as reliable for other carcinomas. Liver transplantation may be considered for eligible patients, particularly those with cirrhosis, but the presence of other specified carcinomas can affect eligibility and the timing of transplantation. Accurate coding of C22.7 is crucial for appropriate treatment planning and resource allocation.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of tumor types included under this code
  • Need for precise documentation of tumor type and characteristics
  • Association with underlying liver conditions like cirrhosis
  • Variability in treatment options based on tumor type

Audit Risk Factors

  • Inadequate documentation of tumor type
  • Failure to document cirrhosis or other liver conditions
  • Misclassification of tumor type leading to incorrect coding
  • Lack of clarity in treatment plans related to the carcinoma

Specialty Focus

Medical Specialties

Oncology

Documentation Requirements

Detailed pathology reports, imaging studies, and treatment plans must be documented.

Common Clinical Scenarios

Diagnosis and treatment planning for patients with liver tumors, including staging and management of complications.

Billing Considerations

Oncologists must ensure that all tumor characteristics are clearly documented to support accurate coding.

Gastroenterology

Documentation Requirements

Comprehensive liver function tests, imaging results, and history of liver disease must be included.

Common Clinical Scenarios

Management of cirrhosis and its complications, as well as surveillance for liver cancer.

Billing Considerations

Gastroenterologists should document the relationship between cirrhosis and the development of liver carcinomas.

Coding Guidelines

Inclusion Criteria

Use C22.7 When
  • According to ICD
  • 10 coding guidelines, C22
  • 7 should be used when the specific type of carcinoma is documented and does not fall under other specified codes
  • Coders must ensure that the documentation supports the diagnosis and that any associated conditions, such as cirrhosis, are also coded appropriately

Exclusion Criteria

Do NOT use C22.7 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

47133CPT Code

Liver biopsy

Clinical Scenario

Used to confirm the diagnosis of a liver carcinoma.

Documentation Requirements

Pathology report must be included to support the diagnosis.

Specialty Considerations

Oncologists and gastroenterologists should ensure that the biopsy results are clearly linked to the diagnosis.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of liver carcinomas, improving the accuracy of data collection and reimbursement processes. C22.7 provides a distinct classification for other specified carcinomas, which aids in research and treatment planning.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of liver carcinomas, improving the accuracy of data collection and reimbursement processes. C22.7 provides a distinct classification for other specified carcinomas, which aids in research and treatment planning.

Reimbursement & Billing Impact

reimbursement processes. C22.7 provides a distinct classification for other specified carcinomas, which aids in research and treatment planning.

Resources

Clinical References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Coding & Billing References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Frequently Asked Questions

What types of tumors are classified under C22.7?

C22.7 includes various rare liver carcinomas that do not fit into the more common categories of hepatocellular carcinoma or cholangiocarcinoma, such as sarcomas and mixed tumors.