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R91.8
ICD-10-CM
Left Lung Mass

Find comprehensive information on Left Lung Mass diagnosis, including clinical documentation, medical coding (ICD-10, SNOMED CT), radiology findings, and treatment options. Learn about differential diagnoses, lung cancer screening, pulmonary nodule evaluation, and best practices for healthcare professionals documenting and coding a Left Lung Mass. This resource provides guidance on accurate and compliant medical record keeping related to Left Lung Mass.

Also known as

Left Pulmonary Mass
Left Lung Tumor

Diagnosis Snapshot

Key Facts
  • Definition : Abnormal tissue growth in the left lung, possibly benign or malignant.
  • Clinical Signs : Cough, shortness of breath, chest pain, hemoptysis, wheezing.
  • Common Settings : Outpatient clinic, hospital, pulmonology, oncology, thoracic surgery.

Related ICD-10 Code Ranges

Complete code families applicable to AAPC R91.8 Coding
R91.1

Abnormal findings on diagnostic imaging of lung

Includes abnormal findings on imaging like X-ray or CT scan.

C34.10-C34.12

Malignant neoplasm of lower lobe, bronchus, or lung

Covers cancerous tumors in the lower part of the left lung.

C34.90-C34.92

Malignant neoplasm of unspecified part of lung

Used when the specific location in the left lung is unknown.

D14.3

Benign neoplasm of bronchus and lung

Covers non-cancerous tumors in the bronchus or lung.

Code-Specific Guidance

Decision Tree for

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

Is the left lung mass malignant?

  • Yes

    Primary or secondary malignancy?

  • No

    Is it benign?

Code Comparison

Related Codes Comparison

When to use each related code

Description
Left lung mass
Left lung nodule
Left lung cancer

Documentation Best Practices

Documentation Checklist
  • Left lung mass: Document size, location, characteristics.
  • ICD-10 codes: Specify R91.1 or C34.90 for unspecified.
  • Imaging reports: Detail findings from X-ray, CT, or MRI.
  • Symptoms: Record cough, dyspnea, hemoptysis, or pain.
  • Biopsy results: If performed, include type and findings.

Coding and Audit Risks

Common Risks
  • Unspecified Laterality

    Coding left lung mass without specifying laterality can lead to inaccurate reimbursement and data analysis. Use specific ICD-10 codes.

  • Unconfirmed Diagnosis

    Coding a suspected mass as confirmed without proper documentation can lead to compliance issues. Ensure diagnosis is confirmed for accurate coding.

  • Missing Histology

    Lack of histology information for a lung mass can hinder accurate coding and staging. Document and code the specific histology when available.

Mitigation Tips

Best Practices
  • Thorough HPI crucial for ICD-10, CPT accuracy. CDI compliant.
  • Document mass size, location, type for correct coding, HCC risk adjustment.
  • Image review, biopsy path report essential for specific diagnosis, compliance.
  • Differential diagnosis documentation supports medical necessity, reduces denials.
  • Standardized terminology, SNOMED CT enhance interoperability, data integrity.

Clinical Decision Support

Checklist
  • Confirm laterality: Left lung specified in imaging report (ICD-10 C34)
  • Review imaging characteristics: Size, margins, location documented (SNOMED CT)
  • Assess for symptoms: Dyspnea, cough, pain noted (ICD-10 R05, R07, R06)
  • Consider differentials: Infection, benign nodule, metastasis (ICD-10 J98, J99, M80)

Reimbursement and Quality Metrics

Impact Summary
  • Left Lung Mass Reimbursement: ICD-10 R91.1, C34.1-C34.9 impact DRG, APR-DRG assignment affecting hospital case mix index.
  • Coding Accuracy: Precise documentation of mass size, location, type (e.g., nodule, tumor) crucial for correct coding, maximizing reimbursement.
  • Quality Metrics Impact: Time to diagnosis, treatment initiation, patient follow-up affect hospital quality reporting and potential penalties.
  • Lung Mass Reporting: Accurate coding and staging essential for cancer registry data, impacting public health surveillance and research.

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.

Quick Tips

Practical Coding Tips
  • Code C34.X for left lung mass
  • Document mass size, location, type
  • Consider laterality, bronchus, lobe
  • Rule out metastases, specify if present
  • Review imaging reports for precise coding

Documentation Templates

Patient presents with concerns regarding a left lung mass.  Chief complaint includes persistent cough, dyspnea on exertion, and occasional hemoptysis.  Symptoms onset reported approximately three months prior to this encounter.  Patient denies fever, chills, or night sweats.  Social history includes a 30-pack-year smoking history.  Family history is significant for lung cancer in the patient's father.  Physical examination reveals decreased breath sounds in the left lower lung field.  Imaging studies, including a chest x-ray and subsequent CT scan of the chest with contrast, confirm the presence of a well-defined, solitary pulmonary nodule in the left lower lobe.  Differential diagnosis includes lung cancer, benign pulmonary nodule, granuloma, and hamartoma.  Pulmonary function tests were ordered to assess lung capacity.  A referral to a pulmonologist has been made for further evaluation, including consideration for a biopsy or surgical resection to obtain a definitive diagnosis.  The patient has been counseled on the importance of smoking cessation and provided with resources for support.  Follow-up appointment scheduled in two weeks to discuss results and formulate a treatment plan.  ICD-10 code R91.1 (abnormal findings on diagnostic imaging of lung) and CPT code 71260 (CT thorax without contrast followed by with contrast) are provisionally documented, pending final diagnosis.  Medical billing codes may be updated based on pathology and procedures performed.


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