ICD-10-CM 2027
ICD-10 code for nipple retraction
From the official ICD-10-CM alphabetic index entry “Retraction › nipple”. Page updated September 29, 2026.
About coding nipple retraction
The ICD-10-CM code for nipple retraction is N64.53 (Retraction of nipple). The official index lists 4 more specific codes, so check the documentation for details such as type, cause, site or severity before settling on N64.53.
Within N64.5 (other signs and symptoms in breast), N64.53 is specifically for retraction of nipple. Related codes cover Induration of breast (N64.51), nipple discharge (N64.52) and other signs and symptoms in breast (N64.59).
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
In MS-DRG v44.0, it is part of the grouping logic for DRG 600 (Non-Malignant Breast Disorders with CC/MCC, relative weight 0.9975) and DRG 601 (Non-Malignant Breast Disorders without CC/MCC, relative weight 0.6017), in MDC 09 (Diseases and Disorders of the Skin, Subcutaneous Tissue and Breast), as a principal or secondary diagnosis. The DRG a claim lands in depends on the principal diagnosis, procedures and any CC/MCC secondary diagnoses.
More specific nipple retraction codes (official index)
Common questions about nipple retraction ICD-10 codes
What is the ICD-10 code for nipple retraction?
- N64.53 — Retraction of nipple. More specific codes apply when the documentation supports them: O92.03, O92.01, O92.02, Q83.8.
What is the ICD-10 code for congenital nipple retraction?
- Q83.8 — Other congenital malformations of breast.
Is N64.53 billable?
- Yes. N64.53 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can N64.53 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict N64.53 as a principal diagnosis.
Is N64.53 a CC or MCC?
- No. N64.53 is neither a CC nor an MCC under MS-DRG v44.0.