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K76.9
ICD-10-CM
Liver Lesion

Find comprehensive information on liver lesion diagnosis, including clinical documentation, medical coding, and healthcare best practices. Learn about ICD-10 codes for liver lesions, benign and malignant tumor differentiation, imaging studies for diagnosis, and treatment options. Explore resources for healthcare professionals on accurate liver lesion documentation and coding for optimal patient care and reimbursement. This resource covers focal liver lesions, liver masses, hepatic lesions, and related terminology for precise clinical communication.

Also known as

Hepatic Lesion
Liver Mass
Liver Tumor
+1 more

Diagnosis Snapshot

Key Facts
  • Definition : Abnormal tissue growth or mass in the liver. Can be benign or malignant.
  • Clinical Signs : Often asymptomatic. May cause abdominal pain, jaundice, fatigue, or weight loss.
  • Common Settings : Detected incidentally on imaging or during investigation of liver disease symptoms.

Related ICD-10 Code Ranges

Complete code families applicable to AAPC K76.9 Coding
K70-K77

Diseases of liver

Covers various liver conditions, including lesions.

D13.1

Benign liver neoplasm

Specifies benign growths or lesions in the liver.

C22.0

Liver cell carcinoma

Identifies malignant liver lesions, specifically hepatocellular carcinoma.

R91.8

Abnormal findings on liver imaging

Includes unspecified abnormal findings like lesions detected through imaging.

Code-Specific Guidance

Decision Tree for

Follow this step-by-step guide to choose the correct ICD-10 code.

Is the liver lesion malignant?

  • Yes

    Primary or secondary?

  • No

    Is it a cyst?

Code Comparison

Related Codes Comparison

When to use each related code

Description
Liver lesion
Hepatocellular carcinoma
Hepatic hemangioma

Documentation Best Practices

Documentation Checklist
  • Liver lesion size, number, location documented
  • Lesion characterization (cystic, solid, etc.)
  • Method of detection (US, CT, MRI, etc.)
  • Symptoms, if present (pain, jaundice, etc.)
  • Relevant lab results (LFTs, tumor markers)

Coding and Audit Risks

Common Risks
  • Unspecified Lesion Type

    Coding liver lesion without specifying benign/malignant nature (e.g., cyst, hemangioma, HCC) impacts DRG assignment and reimbursement.

  • Unconfirmed Diagnosis

    Coding liver lesion based on imaging alone without biopsy or pathology confirmation poses audit risk due to lacking diagnostic certainty.

  • Missing Laterality

    Failing to document lesion location (right/left lobe) can lead to coding errors and affect accurate clinical documentation improvement (CDI).

Mitigation Tips

Best Practices
  • Accurate ICD-10/SNOMED coding for liver lesions: essential for HCC surveillance.
  • Detailed clinical documentation: lesion size, type, and location improve diagnosis coding.
  • Regular CDI reviews enhance liver lesion documentation, impacting risk adjustment & compliance.
  • Timely follow-up imaging & biopsy reports: crucial for accurate HCC diagnosis and staging.
  • Integrate HCC risk factors in documentation: supports medical necessity for diagnostic testing.

Clinical Decision Support

Checklist
  • Review imaging: Confirm lesion presence, size, and characteristics (ICD-10 C22.x)
  • Order LFTs: Assess liver function (CPT 80048, 80053), document results
  • Evaluate patient risk factors: Age, cirrhosis, hepatitis (SNOMED CT 21372001)
  • Consider biopsy if needed: Assess malignancy risk (CPT 47000), ensure informed consent
  • Document differential diagnosis: Rule out other conditions (e.g., cyst, hemangioma)

Reimbursement and Quality Metrics

Impact Summary
  • Liver Lesion reimbursement hinges on accurate ICD-10 (e.g., K76.8, K74.0) and CPT coding for procedures like biopsies, ablations.
  • Coding quality directly impacts claim denial rates and timely reimbursement for liver lesion diagnoses.
  • Accurate HCC coding for liver lesions affects risk adjustment and hospital reimbursement under value-based care.
  • Robust liver lesion documentation and coding support accurate hospital quality reporting metrics (e.g., complication rates).

Streamline Your Medical Coding

Let S10.AI help you select the most accurate ICD-10 codes for . Our AI-powered assistant ensures compliance and reduces coding errors.

Frequently Asked Questions

Common Questions and Answers

Q: What are the most effective imaging modalities for characterizing indeterminate liver lesions discovered incidentally on CT or MRI, and how do their diagnostic performances compare?

A: Characterizing indeterminate liver lesions found incidentally requires a multi-modal imaging approach. While CT and MRI are often the initial modalities, their sensitivity and specificity for differentiating benign from malignant lesions can be limited. Ultrasound with contrast enhancement, particularly CEUS (Contrast-Enhanced Ultrasound), can be highly valuable in this setting, offering real-time assessment of lesion vascularity and perfusion patterns, often helping differentiate hemangiomas, focal nodular hyperplasia (FNH), and adenomas from malignant lesions. MRI with hepatobiliary-specific contrast agents like gadoxetate disodium or gadobenate dimeglumine can further improve characterization by evaluating hepatocyte function and biliary excretion, aiding in the diagnosis of hepatocellular carcinoma (HCC) and cholangiocarcinoma. In some cases, fusion imaging, combining PET/CT or PET/MRI, can enhance diagnostic accuracy, particularly for metastatic disease. Ultimately, the choice of imaging modality depends on lesion characteristics, patient factors, and local expertise. Explore how multi-parametric MRI protocols can improve diagnostic confidence in challenging cases.

Q: When is a liver biopsy indicated for a liver lesion, considering the risks of bleeding and tumor seeding, and what are the best practices for minimizing these risks?

A: A liver biopsy is indicated when non-invasive imaging studies are inconclusive in determining the nature of a liver lesion, particularly when malignancy is suspected. While the risks of bleeding and tumor seeding exist, they are generally low with modern biopsy techniques. Image-guided biopsy, using ultrasound, CT, or MRI, is the standard of care, allowing precise targeting of the lesion and minimizing complications. Coagulation studies should be performed prior to the procedure, and patients on anticoagulants or antiplatelet agents may require temporary discontinuation. Fine-needle aspiration (FNA) biopsy carries a lower risk of bleeding compared to core-needle biopsy, but may provide insufficient tissue for diagnosis in some cases. Consider implementing a standardized pre-biopsy protocol in your practice to mitigate risks and optimize diagnostic yield. Learn more about the role of liquid biopsy in the diagnosis and monitoring of liver cancer.

Quick Tips

Practical Coding Tips
  • Code lesion location precisely
  • ICD-10-CM for liver lesions
  • Document lesion characteristics
  • Specify benign vs. malignant
  • Consider biopsy findings

Documentation Templates

Patient presents with concerns regarding a liver lesion, identified incidentally or due to symptoms such as abdominal pain, right upper quadrant discomfort, fatigue, or jaundice.  Relevant history includes prior liver disease, hepatitis B or C infection, cirrhosis, alcohol use, non-alcoholic fatty liver disease (NAFLD), family history of liver cancer, or exposure to hepatotoxins.  Physical examination findings may include hepatomegaly, tenderness in the right upper quadrant, or signs of chronic liver disease.  Diagnostic workup for this liver mass includes imaging studies such as abdominal ultrasound, CT scan with contrast, or MRI with contrast to characterize the lesion, assess its size and location, and determine if it is solid, cystic, or vascular.  Laboratory tests such as liver function tests (LFTs), alpha-fetoprotein (AFP), and complete blood count (CBC) may be performed to further evaluate liver function and assess for markers of malignancy.  Differential diagnosis includes hepatic adenoma, focal nodular hyperplasia (FNH), hemangioma, hepatocellular carcinoma (HCC), cholangiocarcinoma, and metastatic liver disease.  Based on imaging and laboratory findings, the liver lesion is characterized as [description of lesion characteristics, e.g., solitary, multiple, well-defined, ill-defined, size in centimeters].  Management plan includes [e.g., surveillance with repeat imaging, biopsy for histopathological diagnosis, referral to hepatology or oncology for further evaluation and treatment].  Patient education provided regarding the nature of the liver lesion, potential complications, and the importance of follow-up.  ICD-10 codes [relevant ICD-10 codes, e.g., K76.89 Other specified diseases of liver, C22.0 Liver cell carcinoma] and CPT codes [relevant CPT codes for procedures performed, e.g., 76705 Ultrasound, abdomen complete] will be documented for medical billing and coding purposes.  Follow-up scheduled in [timeframe] to monitor the liver lesion and reassess management plan.