D48.62 Neoplasm of uncertain behavior of left breast

Billable ICD-10-CM code, FY2026.

Applies from D48 Neoplasm of uncertain behavior of other and unspecified sites

Excludes1 (never code together)

• neurofibromatosis (nonmalignant) (Q85.0-)

Applies from D48.6 Neoplasm of uncertain behavior of breast

Applicable to

• Neoplasm of uncertain behavior of connective tissue of breast
• Cystosarcoma phyllodes

Excludes1 (never code together)

• neoplasm of uncertain behavior of skin of breast (D48.5)

MS-DRG index

Defines the logic of DRG(s) 582-583 in MDC 09.

Approximate ICD-9-CM (GEMs)

• 238.3 Neoplasm of uncertain behavior of breast (approximate)

Code annotations containing back-references to D48.62

Back-references to D48.6

• Type 1 Excludes: D48.1 Neoplasm of uncertain behavior of connective and other soft tissue ("neoplasm of uncertain behavior of connective tissue of breast (D48.6-)")

Back-references to D48

• Type 1 Excludes: D49 Neoplasms of unspecified behavior ("neoplasms of uncertain behavior (D37-D44, D48)")

Nearby codes

• D48.4 Neoplasm of uncertain behavior of peritoneum
• D48.5 Neoplasm of uncertain behavior of skin
• D48.6 Neoplasm of uncertain behavior of breast
• D48.60 Neoplasm of uncertain behavior of unspecified breast
• D48.61 Neoplasm of uncertain behavior of right breast
• D48.62 Neoplasm of uncertain behavior of left breast (this code)
• D48.7 Neoplasm of uncertain behavior of other specified sites
• D48.9 Neoplasm of uncertain behavior, unspecified