2021 ICD-10-CM Code N63.12
Unspecified lump in the right breast, upper inner quadrant
Valid for Submission
N63.12 is a billable diagnosis code used to specify a medical diagnosis of unspecified lump in the right breast, upper inner quadrant. The code N63.12 is valid during the fiscal year 2021 from October 01, 2020 through September 30, 2021 for the submission of HIPAA-covered transactions.
The ICD-10-CM code N63.12 might also be used to specify conditions or terms like lump in upper inner quadrant of right breast.
Unspecified diagnosis codes like N63.12 are acceptable when clinical information is unknown or not available about a particular condition. Although a more specific code is preferable, unspecified codes should be used when such codes most accurately reflect what is known about a patient's condition. Specific diagnosis codes should not be used if not supported by the patient's medical record.
| ICD-10: | N63.12 |
| Short Description: | Unspecified lump in the right breast, upper inner quadrant |
| Long Description: | Unspecified lump in the right breast, upper inner quadrant |
Code Classification
Replaced Code
This code was replaced in the 2021 ICD-10 code set with the code(s) listed below. The National Center for Health Statistics (NCHS) has published an update to the ICD-10-CM diagnosis codes which became effective October 1, 2020. This code was replaced for the FY 2021 (October 1, 2020 - September 30, 2021).
Index to Diseases and Injuries
The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for the code N63.12 are found in the index:
- - Lump - See Also: Mass;
- - breast - N63.0
- - right
- - upper inner quadrant - N63.12
- - right
- - breast - N63.0
Approximate Synonyms
The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:
- Lump in upper inner quadrant of right breast
Diagnostic Related Groups - MS-DRG Mapping
The ICD-10 code N63.12 is grouped in the following groups for version MS-DRG V38.0 What are Diagnostic Related Groups?
The Diagnostic Related Groups (DRGs) are a patient classification scheme which provides a means of relating the type of patients a hospital treats. The DRGs divides all possible principal diagnoses into mutually exclusive principal diagnosis areas referred to as Major Diagnostic Categories (MDC). applicable from 10/01/2020 through 09/30/2021.
Replacement Code
N6312 replaces the following previously assigned ICD-10 code(s):
- N63 - Unspecified lump in breast
Convert N63.12 to ICD-9 Code
The General Equivalency Mapping (GEM) crosswalk indicates an approximate mapping between the ICD-10 code N63.12 its ICD-9 equivalent. The approximate mapping means there is not an exact match between the ICD-10 code and the ICD-9 code and the mapped code is not a precise representation of the original code.
- 611.72 - Lump or mass in breast (Approximate Flag)
Code History
- FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
- FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
- FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
- FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018