2018/2019 ICD-10-CM Diagnosis Code N61

Inflammatory disorders of breast

Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as N61. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • inflammatory carcinoma of breast (
    ICD-10-CM Diagnosis Code C50.9

    Malignant neoplasm of breast of unspecified site

      2016 2017 2018 2019 Non-Billable/Non-Specific Code
    C50.9
    )
  • inflammatory disorder of breast associated with childbirth (
    ICD-10-CM Diagnosis Code O91
    • O91 Infections of breast associated with pregnanc...
      • O91.0 Infection of nipple associated with pregnancy...
        • O91.01 Infection of nipple associated with pregnancy...
          • O91.011 Infection of nipple associated with pregnancy...
          • O91.012 Infection of nipple associated with pregnancy...
          • O91.013 Infection of nipple associated with pregnancy...
          • O91.019 Infection of nipple associated with pregnancy...
        • O91.02 Infection of nipple associated with the puerp...
        • O91.03 Infection of nipple associated with lactation...
      • O91.1 Abscess of breast associated with pregnancy, ...
        • O91.11 Abscess of breast associated with pregnancy
          • O91.111 Abscess of breast associated with pregnancy, ...
          • O91.112 Abscess of breast associated with pregnancy, ...
          • O91.113 Abscess of breast associated with pregnancy, ...
          • O91.119 Abscess of breast associated with pregnancy, ...
        • O91.12 Abscess of breast associated with the puerper...
        • O91.13 Abscess of breast associated with lactation
      • O91.2 Nonpurulent mastitis associated with pregnanc...
        • O91.21 Nonpurulent mastitis associated with pregnanc...
          • O91.211 Nonpurulent mastitis associated with pregnanc...
          • O91.212 Nonpurulent mastitis associated with pregnanc...
          • O91.213 Nonpurulent mastitis associated with pregnanc...
          • O91.219 Nonpurulent mastitis associated with pregnanc...
        • O91.22 Nonpurulent mastitis associated with the puer...
        • O91.23 Nonpurulent mastitis associated with lactatio...
    O91.-
    )
  • neonatal infective mastitis (
    ICD-10-CM Diagnosis Code P39.0

    Neonatal infective mastitis

      2016 2017 2018 2019 Billable/Specific Code Code on Newborn Record
    Type 1 Excludes
    • breast engorgement of newborn (P83.4)
    • noninfective mastitis of newborn (P83.4)
    P39.0
    )
  • thrombophlebitis of breast [Mondor's disease] (
    ICD-10-CM Diagnosis Code I80.8

    Phlebitis and thrombophlebitis of other sites

      2016 2017 2018 2019 Billable/Specific Code
    I80.8
    )
The following code(s) above N61 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 N61:
  • 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
Approximate Synonyms Code History
ICD-10-CM Codes Adjacent To N61
N60.42 …… of left breast
N60.49 …… of unspecified breast
N60.8 Other benign mammary dysplasias
N60.81 …… of right breast
N60.82 …… of left breast
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

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