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Z85.818
ICD-10-CM
History of Throat Cancer

Find comprehensive information on throat cancer history documentation, including clinical terminology, ICD-10 codes (C10, C11, C12, C13, C32), medical coding guidelines, and best practices for healthcare professionals. Learn about staging (TNM), risk factors, symptoms, diagnosis, and treatment options related to throat cancer (pharyngeal cancer, laryngeal cancer, hypopharyngeal cancer) to improve patient care and ensure accurate medical records. This resource offers valuable insights for physicians, nurses, coders, and other healthcare providers involved in documenting and managing throat cancer cases.

Also known as

History of Pharyngeal Cancer
History of Oropharyngeal Cancer
History of Hypopharyngeal Cancer
+1 more

Diagnosis Snapshot

Key Facts
  • Definition : Previous diagnosis of cancer in the throat (pharynx or larynx).
  • Clinical Signs : May include hoarseness, difficulty swallowing, neck mass, ear pain, persistent cough.
  • Common Settings : Oncology clinics, ENT offices, head and neck surgery departments, primary care follow-up.

Related ICD-10 Code Ranges

Complete code families applicable to AAPC Z85.818 Coding
Z85.1

Personal history of malignant neoplasm of throat

Indicates a past diagnosis of throat cancer.

C00-C14

Malignant neoplasms of lip, oral cavity, and pharynx

Includes codes for active throat cancers, which may be relevant to history.

C32

Malignant neoplasm of larynx

Covers laryngeal cancer, sometimes considered part of throat cancer history.

Z00-Z99

Factors influencing health status and contact with health services

This section includes Z85.1, the specific code for history of throat cancer

Code-Specific Guidance

Decision Tree for

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

Is the throat cancer currently active?

  • Yes

    Site of active cancer?

  • No

    Is patient in remission?

Code Comparison

Related Codes Comparison

When to use each related code

Description
Throat cancer diagnosis
Leukoplakia of throat
Dysplasia of throat

Documentation Best Practices

Documentation Checklist
  • History of throat cancer ICD-10 C14, Z85.850
  • Document primary site, laterality, TNM stage
  • Date of original diagnosis required
  • Treatment history (surgery, radiation, chemo)
  • Current disease status (active, remission, recurrence)

Coding and Audit Risks

Common Risks
  • Unspecified Laterality

    Coding throat cancer without specifying laterality (left, right, or bilateral) can lead to inaccurate reporting and reimbursement issues.

  • Active vs. History

    Miscoding active throat cancer as history of throat cancer, or vice versa, impacts treatment planning and quality metrics. CDI review crucial.

  • Missing Histology

    Lack of specific histology code for the type of throat cancer can hinder accurate cancer registry reporting and research data.

Mitigation Tips

Best Practices
  • Document specific cancer site, laterality, TNM stage for accurate ICD-10 coding.
  • Validate throat cancer history via pathology reports for CDI compliance.
  • Query physician for details: diagnosis date, treatment, recurrence status.
  • Code Z85.850 for personal history of malignant neoplasm of throat.
  • Ensure clear documentation linking throat cancer to other conditions.

Clinical Decision Support

Checklist
  • Confirm documented history of throat cancer (ICD-10 C00-C14)
  • Verify laterality (left, right, bilateral) and subsite
  • Check pathology report for diagnosis confirmation
  • Review treatment history (surgery, radiation, chemo)

Reimbursement and Quality Metrics

Impact Summary
  • Throat Cancer History reimbursement tied to accurate ICD-10 Z85.820 coding, impacting medical billing revenue cycle.
  • Coding quality affects throat cancer history reporting for hospital quality metrics and cancer registry data.
  • Accurate Z85.820 code assignment ensures proper risk adjustment and appropriate reimbursement levels.
  • History of throat cancer coding impacts physician quality reporting system PQRS measures and value-based care.

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 C14.X for throat cancer
  • Document tumor site, TNM stage
  • Laterality: specify left, right, or bilateral
  • Consider Z85.850 for personal history

Documentation Templates

Patient presents with a history of throat cancer (oropharyngeal squamous cell carcinoma), diagnosed on [Date of Diagnosis] and staged as [TNM Stage] at that time.  The primary tumor site was [Location of primary tumor, e.g., base of tongue, tonsil, soft palate] with [presence/absence] of lymph node involvement and [presence/absence] of distant metastasis.  Treatment consisted of [Treatment Modalities, e.g., surgery, radiation therapy, chemotherapy, targeted therapy, immunotherapy] completed on [Date of treatment completion].  Patient reports [current symptoms, e.g., dysphagia, odynophagia, voice changes, neck mass, persistent cough, ear pain,  weight loss] or denies any residual or recurrent symptoms.  Physical exam reveals [objective findings related to prior treatment, e.g., surgical scars, trismus, xerostomia, neck fibrosis, radiation dermatitis].  Oncology follow-up status is [Active surveillance, No evidence of disease, Recurrence].  Current medications include [List medications relevant to throat cancer history, e.g., pain management, reflux medication, thyroid replacement].  Plan includes [ongoing surveillance plan including frequency and type of follow-up appointments and imaging, management of current symptoms, referrals as needed, patient education regarding long-term effects of throat cancer treatment, e.g., dental care, swallowing therapy, nutritional support].  Assessment: History of throat cancer.  ICD-10 code: C14.X (specify site and laterality as applicable) and Z85.850 (personal history of malignant neoplasm of the throat).
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