2027 ICD-10-CM Diagnosis Code N83.53Torsion of ovary, ovarian pedicle and fallopian tube
ICD-10-CM Codes›N00–N99›N80-N98›N83
- Billable — Valid for Submission
- CC — Complication or Comorbidity
- Not Chronic
N83.53 is a billable ICD-10-CM diagnosis code for torsion of ovary, ovarian pedicle and fallopian tube. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 742 through 743, 760 through 761. As a secondary diagnosis, it counts as a complication or comorbidity (CC) and moves an inpatient stay to a higher severity level within its MS-DRG family. It does not count, however, when the principal diagnosis is one of 36 closely related codes. Coders also document this condition as torsion of fallopian tube. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified female genital disorders.
This medical diagnosis code is frequently used in OB/GYN medical specialties to designate conditions such noninflammatory disorders of ovary, fallopian tubes, and broadligament.
Code Identity
Code Classification
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Torsion of fallopian tube
- Torsion of left fallopian tube
- Torsion of left ovary
- Torsion of left ovary and fallopian tube
- Torsion of ovary
- Torsion of right fallopian tube
- Torsion of right ovary
- Torsion of right ovary and fallopian tube
- Torsion of the ovary and fallopian tube
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to N83.53: its own notes plus those printed at N83 and Chapter 14. A note printed at a category, block or chapter applies to every code under it.
Excludes2
Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.
- hydrosalpinx (N70.1-)
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Source: CMS ICD-10-CM Tabular List. How to read instructional notes.
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
with ovary N83.53
with fallopian tube N83.53
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Patient EducationClinical
Ovarian Disorders
The ovaries are a pair of female reproductive glands that make eggs and female hormones. Women have one ovary on each side of the uterus (where a fetus grows during pregnancy). Each ovary is about the size and shape of an almond.
The full article covers:
- What are ovaries?
- What are the types of ovarian disorders?
- What causes ovarian disorders?
- What are the symptoms of ovarian disorders?
- How are ovarian disorders diagnosed?
- What are the treatments for ovarian disorders?
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert N83.53 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About N83.53Overview
What is the ICD-10 code for torsion of ovary, ovarian pedicle and fallopian tube?
The ICD-10-CM code for torsion of ovary, ovarian pedicle and fallopian tube is N83.53 (sometimes written as N8353). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is N83.53 (Torsion of ovary, ovarian pedicle and fallopian tube) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report torsion of ovary, ovarian pedicle and fallopian tube on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does N83.53 group to?
When torsion of ovary, ovarian pedicle and fallopian tube is the principal diagnosis on an inpatient stay, it groups to MS-DRG 742, 743, 760, 761, with relative weights from 0.7039 to 1.8448 depending on complications. Higher weights mean higher Medicare reimbursement.
Is N83.53 a CC or MCC?
CMS lists N83.53 as a CC (complication or comorbidity) for FY 2027. Reported as a secondary diagnosis, it moves the inpatient stay to a higher-weighted DRG within its severity family. It does not count when the principal diagnosis is one of the 36 closely related codes in its exclusion list.
What is the ICD-9 equivalent of N83.53?
Under the General Equivalence Mappings, torsion of ovary, ovarian pedicle and fallopian tube converts to ICD-9-CM 620.5 (torsion of ovary or tube). The mapping is approximate, so confirm the match fits the documentation.
