ICD-10 Code N83.521

Torsion of right fallopian tube

Version 2019 Billable Code Diagnoses For Females Only
ICD-10:N83.521
Short Description:Torsion of right fallopian tube
Long Description:Torsion of right fallopian tube

Valid for Submission

ICD-10 N83.521 is a billable code used to specify a medical diagnosis of torsion of right fallopian tube. The code is valid for the year 2019 for the submission of HIPAA-covered transactions.

Code Classification

  • Diseases of the genitourinary system (N00–N99)
    • Noninflammatory disorders of female genital tract (N80-N98)
      • Noninflammatory disord of ovary, fallop and broad ligament (N83)

Information for Medical Professionals

Code Edits

The Medicare Code Editor (MCE) detects and reports errors in the coding of claims data. The following ICD-10 Code Edits are applicable to this code:

  • Diagnoses for females only - Diagnoses for females only.

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). The diagnosis code N83.521 is grouped in the following groups for version MS-DRG V36.0 applicable from 10/01/2018 through 09/30/2019.

  • 742 - UTERINE AND ADNEXA PROCEDURES FOR NON-MALIGNANCY WITH CC/MCC
  • 743 - UTERINE AND ADNEXA PROCEDURES FOR NON-MALIGNANCY WITHOUT CC/MCC

Convert N83.521 to ICD-9

The following crosswalk between ICD-10 to ICD-9 is based based on the General Equivalence Mappings (GEMS) information:

  • 620.5 - Torsion of ovary or tube (Approximate Flag)

Replacement Code

N83521 replaces the following previously assigned ICD-10 code(s):

  • N83.52 - Torsion of fallopian tube

ICD-10 Footnotes

General Equivalence Map Definitions
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.

  • Approximate Flag - The approximate flag is on, indicating that the relationship between the code in the source system and the code in the target system is an approximate equivalent.
  • No Map Flag - The no map flag indicates that a code in the source system is not linked to any code in the target system.
  • Combination Flag - The combination flag indicates that more than one code in the target system is required to satisfy the full equivalent meaning of a code in the source system.