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Z90.13
ICD-10-CM
Bilateral Mastectomy

Understanding Bilateral Mastectomy coding and documentation is crucial for accurate clinical records. This resource provides information on Bilateral Mastectomy, also known as Double Mastectomy or Bilateral Breast Removal, including relevant medical coding, healthcare documentation best practices, and clinical terminology related to the procedure. Learn about postoperative care, pathology reporting, and other important aspects of Bilateral Mastectomy diagnosis and treatment.

Also known as

Double Mastectomy
Bilateral Breast Removal

Diagnosis Snapshot

Key Facts
  • Definition : Surgical removal of both breasts, often performed to treat or prevent breast cancer.
  • Clinical Signs : Absence of breast tissue, surgical scars. May involve nipple-sparing or reconstructive techniques.
  • Common Settings : Hospital operating room, outpatient surgical center. May require follow-up radiation or chemotherapy.

Related ICD-10 Code Ranges

Complete code families applicable to AAPC Z90.13 Coding
Z40-Z54

Persons encountering health services

Encounters for prophylactic surgery, including mastectomy.

C50-C50

Malignant neoplasm of breast

Mastectomy may be performed for breast cancer.

N60-N64

Disorders of breast

Includes other breast conditions that might lead to mastectomy.

Code-Specific Guidance

Decision Tree for

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

Is the mastectomy prophylactic?

  • Yes

    Family history of breast cancer?

  • No

    Is it for in situ carcinoma?

Code Comparison

Related Codes Comparison

When to use each related code

Description
Removal of both breasts.
Removal of one breast.
Removal of breast lump.

Documentation Best Practices

Documentation Checklist
  • Mastectomy type (e.g., total, modified radical)
  • Laterality documented as bilateral
  • Confirmation of bilateral breast tissue removal
  • Lymph node involvement if applicable
  • Reconstructive procedure details if performed

Coding and Audit Risks

Common Risks
  • Laterality Coding

    Incorrect coding for laterality (bilateral vs. unilateral) can lead to inaccurate reimbursement and data reporting for mastectomy procedures.

  • Mastectomy Type

    Failure to specify the specific type of mastectomy (e.g., simple, modified radical, skin-sparing) impacts claims and quality metrics.

  • Prophylactic Coding

    Distinct coding for prophylactic versus therapeutic mastectomies is crucial for appropriate reimbursement and cancer registry data accuracy.

Mitigation Tips

Best Practices
  • Accurate laterality coding: ICD-10-PCS laterality values for bilateral mastectomy
  • Complete documentation: Include reason, extent, & reconstruction details for optimal reimbursement
  • Timely pathology reports: Ensure accurate staging & coding for cancer registry compliance
  • Multidisciplinary team review: Surgeon, pathologist, oncologist collaboration for CDI accuracy
  • Patient education & consent: Document informed consent discussions regarding risks & benefits

Clinical Decision Support

Checklist
  • Confirm bilateral breast cancer diagnosis or prophylactic indication documented.
  • Verify patient understanding of risks, benefits, alternatives (including reconstruction).
  • Ensure appropriate imaging/biopsy results are available and reviewed.
  • Confirm informed consent obtained and documented in patient record.

Reimbursement and Quality Metrics

Impact Summary
  • Bilateral Mastectomy reimbursement impacts depend on accurate CPT coding (e.g., 19303) and correct modifier use for medical billing.
  • Coding quality metrics for Bilateral Mastectomy affect hospital reporting for surgical quality and patient safety indicators.
  • Proper documentation of Double Mastectomy ensures appropriate DRG assignment impacting hospital reimbursement and case mix index.
  • Bilateral Breast Removal coding accuracy directly influences denials, timely payments, and accurate hospital financial reporting.

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Frequently Asked Questions

Common Questions and Answers

Q: What are the key considerations for surgical approach and reconstruction options in a bilateral mastectomy for breast cancer?

A: Choosing the optimal surgical approach and reconstruction strategy for bilateral mastectomy requires a multidisciplinary approach and careful consideration of patient-specific factors. These include tumor characteristics (size, location, multifocality), patient preferences, overall health status, body habitus, and desired aesthetic outcome. Surgical approaches range from skin-sparing mastectomy to nipple-sparing mastectomy, each with its own implications for reconstruction. Reconstruction options include immediate versus delayed, autologous tissue reconstruction (e.g., DIEP flap, TRAM flap), or implant-based reconstruction. The choice depends on factors like patient anatomy, comorbidities, and risk tolerance for complications. Explore how different surgical techniques and reconstruction choices impact patient outcomes and consider implementing a decision-making framework that incorporates patient values and preferences. Learn more about the latest evidence on minimizing complications in bilateral mastectomy and reconstruction.

Q: How do I manage post-operative pain and complications effectively following bilateral mastectomy with or without reconstruction?

A: Effective post-operative pain management following bilateral mastectomy is crucial for patient comfort and recovery. Multimodal analgesia, including regional anesthesia techniques (e.g., paravertebral blocks, pectoral nerve blocks) and opioid-sparing strategies, can optimize pain control. Closely monitoring for complications such as seroma formation, hematoma, infection, wound dehiscence, and flap necrosis is essential. Early intervention with appropriate drainage, antibiotics, or surgical revision can minimize morbidity. Patient education on post-operative care, including drain management, wound care, and pain medication regimens, is also critical for optimal recovery. Explore how standardized protocols for post-operative care can improve patient outcomes and consider implementing early mobilization strategies to minimize complications like lymphedema. Learn more about best practices in post-mastectomy pain management and complication prevention.

Quick Tips

Practical Coding Tips
  • Code specific mastectomy type
  • Verify laterality for coding
  • Check documentation for complications
  • Review pathology report for staging
  • Document reconstruction if performed

Documentation Templates

Patient presents for postoperative follow-up following bilateral mastectomy performed on [Date of Procedure].  The procedure involved the removal of both breasts, including nipple-areolar complexes, due to [Indication for surgery, e.g., invasive ductal carcinoma, lobular carcinoma in situ, prophylactic mastectomy due to BRCA mutation].  Patient reports [Description of postoperative symptoms, e.g., well-healing incisions, minimal pain controlled with oral analgesics, some tightness in the chest].  Physical examination reveals bilateral mastectomy scars healing well, no signs of infection or seroma formation.  Axillary dissection was [performed/not performed] at the time of the original surgery.  Patient is currently [Description of current treatment status, e.g., completing adjuvant chemotherapy, starting radiation therapy, on hormonal therapy].  Plan includes continued monitoring for recurrence, discussion regarding breast reconstruction options, and referral to support services as needed.  The patient's prognosis is discussed, and she demonstrates understanding of the treatment plan and potential complications.  ICD-10 code [Relevant ICD-10 code, e.g., Z40.0, Z40.81, Z90.11] and CPT codes [Relevant CPT code(s) for the postoperative follow-up] are documented for medical billing and coding purposes.  Keywords:  bilateral mastectomy, double mastectomy, breast removal, postoperative care, surgical complications, breast cancer surgery, breast reconstruction, BRCA, axillary lymph node dissection, adjuvant therapy, hormonal therapy, ICD-10, CPT, medical coding, electronic health records.
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