N00–N99: Diseases of the Genitourinary System
Chapter 14 of ICD-10-CM 2027, 1,047 codes in 11 blocks.
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Chapter instructions
Excludes2: not included here, code separately if applicable
- 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)
Codes in this chapter
All codesBillable only1,047 results
- N60.39Fibrosclerosis of unspecified breast
- N60.4Mammary duct ectasia
- N60.41Mammary duct ectasia of right breast
- N60.42Mammary duct ectasia of left breast
- N60.49Mammary duct ectasia of unspecified breast
- N60.8Other benign mammary dysplasias
- N60.81Other benign mammary dysplasias of right breast
- N60.82Other benign mammary dysplasias of left breast
- N60.89Other benign mammary dysplasias of unspecified breast
- N60.9Unspecified benign mammary dysplasia
- N60.91Unspecified benign mammary dysplasia of right breast
- N60.92Unspecified benign mammary dysplasia of left breast
- N60.99Unspecified benign mammary dysplasia of unspecified breast
- N61Inflammatory disorders of breast
- N61.0Mastitis without abscess
- N61.1Abscess of the breast and nipple
- N61.2Granulomatous mastitis
- N61.20Granulomatous mastitis, unspecified breast
- N61.21Granulomatous mastitis, right breast
- N61.22Granulomatous mastitis, left breast
- N61.23Granulomatous mastitis, bilateral breast
- N62Hypertrophy of breast
- N63Unspecified lump in breast
- N63.0Unspecified lump in unspecified breast
- N63.1Unspecified lump in the right breast
- N63.10Unspecified lump in the right breast, unspecified quadrant
- N63.11Unspecified lump in the right breast, upper outer quadrant
- N63.12Unspecified lump in the right breast, upper inner quadrant
- N63.13Unspecified lump in the right breast, lower outer quadrant
- N63.14Unspecified lump in the right breast, lower inner quadrant
- N63.15Unspecified lump in the right breast, overlapping quadrants
- N63.2Unspecified lump in the left breast
- N63.20Unspecified lump in the left breast, unspecified quadrant
- N63.21Unspecified lump in the left breast, upper outer quadrant
- N63.22Unspecified lump in the left breast, upper inner quadrant
- N63.23Unspecified lump in the left breast, lower outer quadrant
- N63.24Unspecified lump in the left breast, lower inner quadrant
- N63.25Unspecified lump in the left breast, overlapping quadrants
- N63.3Unspecified lump in axillary tail
- N63.31Unspecified lump in axillary tail of the right breast
- N63.32Unspecified lump in axillary tail of the left breast
- N63.4Unspecified lump in breast, subareolar
- N63.41Unspecified lump in right breast, subareolar
- N63.42Unspecified lump in left breast, subareolar
- N64Other disorders of breast
- N64.0Fissure and fistula of nipple
- N64.1Fat necrosis of breast
- N64.2Atrophy of breast
- N64.3Galactorrhea not associated with childbirth
- N64.4Mastodynia