Left Breast Mass ICD-10-CM Codes

Explore ICD-10-CM codes for left breast masses in 2023. Learn about commonly used codes, clinical descriptions, billable codes, synonyms, and more.

By Alex King on Feb 29, 2024.

Fact Checked by Ericka Pingol.

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Left Breast Mass ICD-10-CM Codes

What ICD-10 Codes are Used for Left Breast Mass?

A left breast mass is a concerning finding that may indicate various underlying conditions, including benign or malignant tumors. Accurate coding is essential for proper documentation and billing. Below are six commonly used left breast mass ICD Codes, along with their comprehensive clinical descriptions:

N63.11 - Unspecified lump in left breast

Used for cases when a lump or mass is detected in the left breast without a specific diagnosis.

R92.0 - Mammographic microcalcification found on diagnostic imaging of breast

This code signifies the detection of microcalcifications in the left breast through mammography.

R92.2 - Inconclusive mammogram

Used when a left breast mammogram yields inconclusive results, requiring further evaluation.

R92.8 - Other abnormal and inconclusive findings on diagnostic imaging of breast

This code is used for other abnormal findings in diagnostic imaging of the left breast, warranting additional assessment.

R93.0 - Abnormal findings on diagnostic imaging of breast

Indicates various abnormal findings detected through diagnostic imaging of the left breast, necessitating further investigation.

Z12.31 - Encounter for screening mammogram for malignant neoplasm of breast

Used when a screening mammogram for left breast cancer is performed, even if a mass is not confirmed.

Which Left Breast Mass ICD Codes are Billable?

The following ICD-10-CM codes for left breast masses are billable:

N63.11 - Unspecified lump in left breast

Yes, this code is billable when a lump or mass is detected in the left breast without a specific diagnosis.

R92.0 - Mammographic microcalcification found on diagnostic imaging of breast 

Yes, Microcalcifications detected via mammography in the left breast are billable, as they often require further evaluation.

R92.2 - Inconclusive mammogram

Yes, an inconclusive left breast mammogram is billable to indicate the need for additional assessments.

R92.8 - Other abnormal and inconclusive findings on diagnostic imaging of breast
Yes, other abnormal findings in diagnostic imaging of the left breast are billable due to the need for further investigation.

R93.0 - Abnormal findings on diagnostic imaging of breast

Yes, abnormal findings on diagnostic imaging of the left breast are billable as they often necessitate follow-up procedures.

Z12.31 - Encounter for screening mammogram for malignant neoplasm of breast
Yes, this code is billable when a screening mammogram for left breast cancer is conducted, even if a definite mass is not identified.

Clinical Information

  • A left breast mass is an abnormal lump or swelling detected in the left breast tissue.
  • It can be benign (non-cancerous) or malignant (cancerous) growth.
  • Common benign causes include fibroadenomas, cysts, and lipomas.
  • Malignant causes may include breast cancer, which requires prompt evaluation and diagnosis.
  • Other symptoms may accompany a breast mass, such as changes in skin texture, nipple discharge, or pain.
  • Clinical assessment involves a physical examination, imaging tests (mammogram, ultrasound), and possibly a biopsy.
  • Early detection and diagnosis are critical for appropriate treatment and management.
  • Treatment varies depending on the underlying cause and may include surgery, chemotherapy, radiation, or hormone therapy.
  • Regular breast self-exams and mammograms are recommended to detect breast masses and breast cancer early.
  • Women should seek medical attention if they notice any changes in their breast tissue or experience concerning symptoms.

Synonyms Include

  • Left breast lump
  • Mass in the left breast
  • Abnormal left breast finding
  • Left breast tumor
  • Left breast nodule
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Commonly asked questions

Are all left breast masses indicative of breast cancer?

While some left breast masses can be cancerous, such as fibroadenomas or cysts, many are benign. Proper evaluation is necessary.

What imaging techniques are used to assess left breast masses?

Mammography, ultrasound, and MRI are standard imaging methods to evaluate and characterize left breast masses.

Is a biopsy always required for a left breast mass?

Only sometimes. While a biopsy may be necessary to determine the nature of the mass, it depends on the findings from diagnostic imaging and clinical evaluation.

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