2019 ICD-10-CM Diagnosis Code N63.0

Unspecified lump in unspecified breast

    2018 - New Code 2019 - Revised Code Billable/Specific Code
  • N63.0 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • ICD-10-CM N63.0 is a revised 2019 ICD-10-CM code that became effective on October 1, 2018.
  • This is the American ICD-10-CM version of N63.0 - other international versions of ICD-10 N63.0 may differ.
The following code(s) above N63.0 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to N63.0:
  • N00-N99
    2019 ICD-10-CM Range N00-N99

    Diseases of the genitourinary system

    Type 2 Excludes
    • certain conditions originating in the perinatal period (P04-P96)
    • certain infectious and parasitic diseases (A00-B99)
    • complications of pregnancy, childbirth and the puerperium (O00-O9A)
    • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
    • endocrine, nutritional and metabolic diseases (E00-E88)
    • injury, poisoning and certain other consequences of external causes (S00-T88)
    • neoplasms (C00-D49)
    • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
    Diseases of the genitourinary system
  • N60-N65
    2019 ICD-10-CM Range N60-N65

    Disorders of breast

    Type 1 Excludes
    • disorders of breast associated with childbirth (O91-O92)
    Disorders of breast
  • N63
    ICD-10-CM Diagnosis Code N63

    Unspecified lump in breast

      2016 2017 2018 - Deleted Code 2018 - New Code 2019 Non-Billable/Non-Specific Code
    Applicable To
    • Nodule(s) NOS in breast
    Unspecified lump in breast
ICD-10-CM N63.0 is grouped within Diagnostic Related Group(s) (MS-DRG v36.0):
  • 597 Malignant breast disorders with mcc
  • 598 Malignant breast disorders with cc
  • 599 Malignant breast disorders without cc/mcc
  • 600 Non-malignant breast disorders with cc/mcc
  • 601 Non-malignant breast disorders without cc/mcc

Convert N63.0 to ICD-9-CM

Code History
  • 2018 (effective 10/1/2017): New code
  • 2019 (effective 10/1/2018): Revised code
    • New description: Unspecified lump in unspecified breast
    • 2018 description: Unspecified lump in unspecified breast

Diagnosis Index entries containing back-references to N63.0:
  • Breast - see also condition
    • nodule N63.0 - see also Lump, breast
  • Lump - see also Mass
  • Mass
    • breast N63.0 - see also Lump, breast
  • Nodule(s)
    • breast NEC N63.0 - see also Lump, breast
  • Swelling (of) R60.9
    ICD-10-CM Diagnosis Code R60.9

    Edema, unspecified

      2016 2017 2018 2019 Billable/Specific Code
    Applicable To
    • Fluid retention NOS
    • breast N63.0 - see also Lump, breast

ICD-10-CM Codes Adjacent To N63.0
N60.89 …… of unspecified breast
N60.9 Unspecified benign mammary dysplasia
N60.91 …… of right breast
N60.92 …… of left breast
N60.99 …… of unspecified breast
N61 Inflammatory disorders of breast
N61.0 Mastitis without abscess
N61.1 Abscess of the breast and nipple
N62 Hypertrophy of breast
N63 Unspecified lump in breast
N63.0 Unspecified lump in unspecified breast
N63.1 Unspecified lump in the right breast
N63.10 …… unspecified quadrant
N63.11 …… upper outer quadrant
N63.12 …… upper inner quadrant
N63.13 …… lower outer quadrant
N63.14 …… lower inner quadrant
N63.2 Unspecified lump in the left breast
N63.20 …… unspecified quadrant
N63.21 …… upper outer quadrant
N63.22 …… upper inner quadrant

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.