2019 ICD-10-CM Diagnosis Code N61.1

Abscess of the breast and nipple

    2017 - New Code 2018 2019 Billable/Specific Code
  • N61.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2019 edition of ICD-10-CM N61.1 became effective on October 1, 2018.
  • This is the American ICD-10-CM version of N61.1 - other international versions of ICD-10 N61.1 may differ.
Applicable To
  • Abscess (acute) (chronic) (nonpuerperal) of areola
  • Abscess (acute) (chronic) (nonpuerperal) of breast
  • Carbuncle of breast
  • Mastitis with abscess
The following code(s) above N61.1 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 N61.1:
  • 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
  • N61
    ICD-10-CM Diagnosis Code N61

    Inflammatory disorders of breast

      2016 2017 - Deleted Code 2017 - New Code 2018 2019 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • inflammatory carcinoma of breast (C50.9)
    • inflammatory disorder of breast associated with childbirth (O91.-)
    • neonatal infective mastitis (P39.0)
    • thrombophlebitis of breast [Mondor's disease] (I80.8)
    Inflammatory disorders of breast
ICD-10-CM N61.1 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 N61.1 to ICD-9-CM

Code History
  • 2017 (effective 10/1/2016): New code
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
Code annotations containing back-references to N61.1:
  • Type 2 Excludes: L02.2
    ICD-10-CM Diagnosis Code L02.2

    Cutaneous abscess, furuncle and carbuncle of trunk

      2016 2017 2018 2019 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • non-newborn omphalitis (L08.82)
    • omphalitis of newborn (P38.-)
    Type 2 Excludes
    • abscess of breast (N61.1)
    • abscess of buttocks (L02.3)
    • abscess of female external genital organs (N76.4)
    • abscess of male external genital organs (N48.2, N49.-)
    • abscess of hip (L02.4)

Diagnosis Index entries containing back-references to N61.1:
  • Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) L02.91
    ICD-10-CM Diagnosis Code L02.91

    Cutaneous abscess, unspecified

      2016 2017 2018 2019 Billable/Specific Code
    • areola (acute) (chronic) (nonpuerperal) N61.1
    • breast (acute) (chronic) (nonpuerperal) N61.1
    • nipple N61.1
  • Carbuncle L02.93
    ICD-10-CM Diagnosis Code L02.93

    Carbuncle, unspecified

      2016 2017 2018 2019 Billable/Specific Code
    • breast N61.1
  • Furuncle L02.92
    ICD-10-CM Diagnosis Code L02.92

    Furuncle, unspecified

      2016 2017 2018 2019 Billable/Specific Code
    Applicable To
    • Boil NOS
    • Furunculosis NOS
    • breast N61.1
  • Mastitis (acute) (diffuse) (nonpuerperal) (subacute) N61.0
    ICD-10-CM Diagnosis Code N61.0

    Mastitis without abscess

      2017 - New Code 2018 2019 Billable/Specific Code
    Applicable To
    • Infective mastitis (acute) (nonpuerperal) (subacute)
    • Mastitis (acute) (nonpuerperal) (subacute) NOS
    • Cellulitis (acute) (nonpuerperal) (subacute) of breast NOS
    • Cellulitis (acute) (nonpuerperal) (subacute) of nipple NOS
    • with abscess N61.1
  • Suppuration, suppurative - see also condition
  • Ulcer, ulcerated, ulcerating, ulceration, ulcerative
    • breast N61.1

ICD-10-CM Codes Adjacent To N61.1
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
N63.14 …… lower inner quadrant
N63.2 Unspecified lump in the left breast

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