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ICD-10-CM Codes
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N00-N99
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N80-N98
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N85-
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2023 ICD-10-CM Diagnosis Code N85.00
2023 ICD-10-CM Diagnosis Code N85.00
Endometrial hyperplasia, unspecified
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code Female Dx
- N85.00 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2023 edition of ICD-10-CM N85.00 became effective on October 1, 2022.
- This is the American ICD-10-CM version of N85.00 - other international versions of ICD-10 N85.00 may differ.
ICD-10-CM Coding Rules
- N85.00 is applicable to female patients.
Applicable To- Hyperplasia (adenomatous) (cystic) (glandular) of endometrium
- Hyperplastic endometritis
The following code(s) above
N85.00 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
N85.00:
- Benign (not cancer)endometrial hyperplasia
- Benign endometrial hyperplasia
- Endometrial hyperplasia
Clinical Information
- A proliferation of the endometrial cells resulting in glandular enlargement and budding. The proliferation may or may not be associated with atypia of the endometrial cells. When the hyperplastic changes are excessive, there is formation of complex epithelial structures (complex endometrial hyperplasia).
- An abnormal overgrowth of the endometrium (the layer of cells that lines the uterus). There are four types of endometrial hyperplasia: simple endometrial hyperplasia, complex endometrial hyperplasia, simple endometrial hyperplasia with atypia, and complex endometrial hyperplasia with atypia. These differ in terms of how abnormal the cells are and how likely it is that the condition will become cancer.
- Benign proliferation of the endometrium in the uterus. Endometrial hyperplasia is classified by its cytology and glandular tissue. There are simple, complex (adenomatous without atypia), and atypical hyperplasia representing also the ascending risk of becoming malignant.
ICD-10-CM N85.00 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
- 742 Uterine and adnexa procedures for non-malignancy with cc/mcc
- 743 Uterine and adnexa procedures for non-malignancy without cc/mcc
- 760 Menstrual and other female reproductive system disorders with cc/mcc
- 761 Menstrual and other female reproductive system disorders without cc/mcc
Convert N85.00 to ICD-9-CM
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
- 2023 (effective 10/1/2022): No change
ICD-10-CM Codes Adjacent To N85.00
N83.9 Noninflammatory disorder of ovary, fallopian tube and broad ligament, unspecified
N84 Polyp of female genital tract
N84.0 Polyp of corpus uteri
N84.1 Polyp of cervix uteri
N84.8 Polyp of other parts of female genital tract
N84.9 Polyp of female genital tract, unspecified
N85 Other noninflammatory disorders of uterus, except cervix
N85.0 Endometrial hyperplasia
N85.00
…… unspecified
N85.01 Benign endometrial hyperplasia
N85.02 Endometrial intraepithelial neoplasia [EIN]
N85.2 Hypertrophy of uterus
N85.3 Subinvolution of uterus
N85.4 Malposition of uterus
N85.5 Inversion of uterus
N85.6 Intrauterine synechiae
N85.8 Other specified noninflammatory disorders of uterus
N85.9 Noninflammatory disorder of uterus, unspecified
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
