Z85.118

Personal history of other malignant neoplasm of bronchus and lung

ICD-10 code Z85.118 specifically denotes a 'Personal history of other malignant neoplasm of bronchus and lung.' This code is applied when a patient has a documented history of a malignant tumor of the bronchus or lung that has been successfully treated or is currently in remission, and there is no evidence of active disease. The term 'other malignant neoplasm' signifies that the historical lung cancer was of a histological subtype other than small cell carcinoma, squamous cell carcinoma, or adenocarcinoma, which are specifically coded elsewhere (Z85.110, Z85.111, Z85.112, respectively). Examples of such 'other' types might include large cell carcinoma, carcinoid tumors (when malignant), sarcomatoid carcinoma, or other rare histological variants of lung cancer. This code is crucial for long-term patient management as a history of lung cancer significantly increases the risk for recurrence, development of metachronous primary lung cancers, and potential late effects from treatment. Clinically, identifying this history guides ongoing surveillance strategies, including regular imaging (e.g., CT scans), pulmonary function tests, and symptom monitoring. It also informs decisions regarding risk factor modification (e.g., smoking cessation), and personalized screening protocols. Patients with a history of lung cancer often require multidisciplinary follow-up, involving oncology, pulmonology, and supportive care to address physical, psychological, and social impacts of their past diagnosis and treatment. The use of Z85.118 is vital for accurate medical record-keeping, epidemiological studies, and appropriate healthcare resource allocation, as it signifies a patient population requiring specialized attention due to their increased vulnerability to future health complications related to their prior malignancy.

Clinical Symptoms

  • Persistent or worsening cough
  • Shortness of breath (dyspnea)
  • Chest pain or discomfort
  • Hemoptysis (coughing up blood)
  • Unexplained weight loss
  • Fatigue or weakness
  • Hoarseness or voice changes
  • Difficulty swallowing (dysphagia)
  • Recurrent respiratory infections
  • Bone pain (indicating potential metastasis)
  • Neurological changes (indicating potential brain metastasis)

Common Causes

  • Smoking (cigarette, cigar, pipe)
  • Exposure to secondhand smoke
  • Exposure to radon gas
  • Occupational exposure to carcinogens (e.g., asbestos, arsenic, chromium, nickel, cadmium, uranium, polycyclic aromatic hydrocarbons)
  • Air pollution
  • Family history of lung cancer
  • Prior radiation therapy to the chest
  • Genetic predispositions or mutations (e.g., EGFR, ALK, KRAS)
  • Chronic lung diseases (e.g., COPD, pulmonary fibrosis)
  • Age (increased risk with older age)

Documentation & Coding Tips

Clearly state 'personal history of' and the specific type, site, and current status of the prior malignancy.

Example: Patient is a 68-year-old male presenting for routine follow-up. He has a *personal history of Stage IB adenocarcinoma of the right upper lobe lung, diagnosed 5 years ago, status post right upper lobectomy and adjuvant chemotherapy, with no evidence of recurrence since completing treatment*. Latest CT chest 2 weeks prior showed stable post-surgical changes with no new suspicious lesions. Patient denies cough, dyspnea, or weight loss. Discussed continued annual surveillance with CT chest. Plan: Continue monitoring. Schedule next CT in 12 months.

Billing Focus: Specifying 'personal history' and 'no evidence of recurrence' differentiates this from active cancer (C34.x), justifying follow-up and surveillance (Z08) rather than active cancer treatment. Explicitly stating the site (right upper lobe) and histology (adenocarcinoma) provides maximum specificity.

Document any ongoing monitoring, surveillance, or long-term effects/complications directly related to the past malignancy or its treatment.

Example: Patient is a 72-year-old female, 3 years status post completion of chemoradiation for her *personal history of small cell lung cancer (left lower lobe), currently with no evidence of disease*. She reports increasing mild chronic dyspnea on exertion (MRC grade 2), attributed to radiation-induced pneumonitis/fibrosis, confirmed by prior PFTs. She is managed with daily inhaled bronchodilators and pulmonary rehabilitation. We reviewed recent surveillance PET/CT, showing stable findings, no recurrence. Discussed managing dyspnea, optimizing inhaler technique, and continuing pulmonary rehab. Assessed for symptoms of recurrence, none noted.

Billing Focus: Linking the dyspnea to 'radiation-induced pneumonitis/fibrosis' (J70.0 for radiation pneumonitis) due to the 'personal history of small cell lung cancer' (Z85.118) provides medical necessity for managing these chronic conditions and justifies diagnostic services (e.g., PFTs) and therapeutic interventions (e.g., pulmonary rehab, bronchodilators). This allows for billing of both the Z code and the chronic sequelae.

If new symptoms arise, clearly differentiate if they are related to the history, a new primary, or a recurrence. Document the diagnostic process.

Example: Patient, a 65-year-old male with a *personal history of squamous cell carcinoma of the right lower lobe lung (diagnosed 4 years ago, status post lobectomy, no evidence of recurrence)*, presents with new onset hemoptysis and persistent cough for 3 weeks. Initial chest X-ray showed a new left upper lobe nodule. Discussed plan for STAT CT chest with contrast and urgent bronchoscopy to rule out new primary or recurrence. Advised patient on strict precautions. Impression: New left upper lobe nodule, etiology TBD, in patient with personal history of lung cancer.

Billing Focus: This documentation clearly sets the stage for diagnostic work-up (CT, bronchoscopy) by stating 'new onset hemoptysis and persistent cough' in the context of a 'personal history' of lung cancer, prompting a 'rule out new primary or recurrence' approach. This justifies the medical necessity for further investigation under codes like R04.2 (Hemoptysis) and R05 (Cough), which are then linked to the Z85.118 for context, leading to appropriate CPT billing for the diagnostic procedures.

Relevant CPT Codes