2021 ICD-10-CM Code N83.52

Torsion of fallopian tube

Version 2021
Replaced Code
Non-Billable Code
OB/GYN

Not Valid for Submission

N83.52 is a "header" nonspecific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of torsion of fallopian tube. The code is NOT valid for the year 2021 for the submission of HIPAA-covered transactions. Category or Header define the heading of a category of codes that may be further subdivided by the use of 4th, 5th, 6th or 7th characters.

The code is commonly used in ob/gyn medical specialties to specify clinical concepts such as noninflammatory disorders of ovary, fallopian tubes, and broadligament.

ICD-10:N83.52
Short Description:Torsion of fallopian tube
Long Description:Torsion of fallopian tube

Code Classification

Specific Coding for Torsion of fallopian tube

Header codes like N83.52 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10 codes with a higher level of specificity when coding for torsion of fallopian tube:

  • N83.521 - Torsion of right fallopian tube
  • N83.522 - Torsion of left fallopian tube
  • N83.529 - ... unspecified side

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).


  • N83.521 - Torsion of right fallopian tube
  • N83.521 - Torsion of right fallopian tube
  • N83.522 - Torsion of left fallopian tube
  • N83.522 - Torsion of left fallopian tube
  • N83.529 - Torsion of fallopian tube, unspecified side
  • N83.529 - Torsion of fallopian tube, unspecified side

Tabular List of Diseases and Injuries

The Tabular List of Diseases and Injuries is a list of ICD-10 codes, organized "head to toe" into chapters and sections with guidance for inclusions, exclusions, descriptions and more. The following references are applicable to the code N83.52:


Inclusion Terms

Inclusion Terms
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.

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 N83.52 are found in the index:

Information for Patients


Ovarian Disorders

The ovaries are part of the female reproductive system. Women have two ovaries, one on each side of the uterus. Each ovary is about the size and shape of an almond.

The ovaries produce and store a woman's eggs. During ovulation, an ovary releases an egg. If that egg is fertilized by a sperm, a pregnancy can occur. Ovaries also make the female hormones estrogen and progesterone. When a woman goes through menopause, her ovaries stop making those hormones and releasing eggs.

Problems with the ovaries include


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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
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016 (First year ICD-10-CM implemented into the HIPAA code set)