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N83.529 ICD-10-CM Code: Torsion of fallopian tube, unspecified side

Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.

Inpatient Payment Groups (MS-DRG)

MS-DRGs this diagnosis helps define, as principal or secondary, per the CMS ICD-10-CM/PCS MS-DRG Definitions Manual v43.0, Appendix B.

  • MS-DRG 742 — UTERINE AND ADNEXA PROCEDURES FOR NON-MALIGNANCY WITH CC/MCC (MDC 13)
  • MS-DRG 743 — UTERINE AND ADNEXA PROCEDURES FOR NON-MALIGNANCY WITHOUT CC/MCC (MDC 13)
  • MS-DRG 760 — MENSTRUAL AND OTHER FEMALE REPRODUCTIVE SYSTEM DISORDERS WITH CC/MCC (MDC 13)
  • MS-DRG 761 — MENSTRUAL AND OTHER FEMALE REPRODUCTIVE SYSTEM DISORDERS WITHOUT CC/MCC (MDC 13)

A diagnosis appearing in a group's logic does not by itself determine the DRG assigned to a stay; the grouper uses the full claim.

Official Registry Overview & Definition

Torsion of fallopian tube, unspecified side is a billable ICD-10-CM diagnosis code (N83.529).

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for N83.529 in the official ICD-10-CM tabular list.

Inclusion Terms

Alternative terms the tabular list files under this code.

  • Torsion of fallopian tube, NOS

Excludes2 — Not Included Here

Conditions not covered by this code, but which may be reported alongside it when both are present.

Frequently Compared Codes

The official Excludes notes on N83.529 name these codes. Each comparison page covers when the two can — or must not — be reported together.

Change history

  • FY2017 — 2016-10-01
    Added to the code set
    Torsion of fallopian tube, unspecified side
    FY2017 changes

Verify Before Coding

  • CC as a secondary diagnosis (FY2026). Can raise the stay's MS-DRG severity tier.

From the code registry, the Medicare Code Editor, and the MS-DRG Definitions Manual. Check it against a full claim.

Relationships & Classification

Potential MS-DRG Relationships (FY2026)

CC — Complication or Comorbidity. Reported as a secondary diagnosis, this code raises the stay's MS-DRG severity tier — except when the principal diagnosis is one of 36 clinically related codes on its CMS exclusion list.

Named in the grouper logic of 4 MS-DRGs: DRG 742 (MDC 13), DRG 743 (MDC 13), DRG 760 (MDC 13), DRG 761 (MDC 13).

From the CMS MS-DRG Definitions Manual (Appendices B and C). Actual DRG assignment depends on the complete claim.

Clinical classification (AHRQ CCSR):GEN025 — Other specified female genital disorders (default).

Clinical Classifications Software Refined (CCSR) for ICD-10-CM Diagnoses. Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality.

Contextual Map

Every relationship of N83.529 in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.

Hierarchy

  • N00-N99 — Chapter 14: Diseases of the Genitourinary System (N00-N99) (N00-N99) [Hierarchy]
  • N80-N98 — Noninflammatory disorders of female genital tract [Hierarchy]

Clinical classification (CCSR)

  • GEN025 — Other specified female genital disorders [CCSR]

Potential MS-DRG

  • CC — Complication or Comorbidity [MS-DRG severity]: “As a secondary diagnosis this code can raise the stay's MS-DRG severity tier (CC).”
  • DRG 742 — UTERINE AND ADNEXA PROCEDURES FOR NON-MALIGNANCY WITH CC/MCC [MS-DRG]: “UTERINE AND ADNEXA PROCEDURES FOR NON-MALIGNANCY WITH CC/MCC (MDC 13)”
  • DRG 743 — UTERINE AND ADNEXA PROCEDURES FOR NON-MALIGNANCY WITHOUT CC/MCC [MS-DRG]: “UTERINE AND ADNEXA PROCEDURES FOR NON-MALIGNANCY WITHOUT CC/MCC (MDC 13)”
  • DRG 760 — MENSTRUAL AND OTHER FEMALE REPRODUCTIVE SYSTEM DISORDERS WITH CC/MCC [MS-DRG]: “MENSTRUAL AND OTHER FEMALE REPRODUCTIVE SYSTEM DISORDERS WITH CC/MCC (MDC 13)”
  • DRG 761 — MENSTRUAL AND OTHER FEMALE REPRODUCTIVE SYSTEM DISORDERS WITHOUT CC/MCC [MS-DRG]: “MENSTRUAL AND OTHER FEMALE REPRODUCTIVE SYSTEM DISORDERS WITHOUT CC/MCC (MDC 13)”

MDC crossing · procedures (2232)

  • MDC 13 — Diseases and Disorders of the Female Reproductive System [MDC crossing]: “Diseases and Disorders of the Female Reproductive System — the grouper's crossing between diagnoses and procedures: a principal diagnosis sets the MDC, and same-MDC procedures move the stay to its surgical DRGs.”
  • 00HE0MZ — Insertion of Neurostimulator Lead into Cranial Nerve, Open Approach [Same-MDC procedure]: “Insertion of Neurostimulator Lead into Cranial Nerve, Open Approach — grouped in MDC 13, the procedure side of this code's crossing.” · check together
  • 00HE3MZ — Insertion of Neurostimulator Lead into Cranial Nerve, Percutaneous Approach [Same-MDC procedure]: “Insertion of Neurostimulator Lead into Cranial Nerve, Percutaneous Approach — grouped in MDC 13, the procedure side of this code's crossing.” · check together
  • 00HE4MZ — Insertion of Neurostimulator Lead into Cranial Nerve, Percutaneous Endoscopic Approach [Same-MDC procedure]: “Insertion of Neurostimulator Lead into Cranial Nerve, Percutaneous Endoscopic Approach — grouped in MDC 13, the procedure side of this code's crossing.” · check together
  • 00HU0MZ — Insertion of Neurostimulator Lead into Spinal Canal, Open Approach [Same-MDC procedure]: “Insertion of Neurostimulator Lead into Spinal Canal, Open Approach — grouped in MDC 13, the procedure side of this code's crossing.” · check together
  • 00HU3MZ — Insertion of Neurostimulator Lead into Spinal Canal, Percutaneous Approach [Same-MDC procedure]: “Insertion of Neurostimulator Lead into Spinal Canal, Percutaneous Approach — grouped in MDC 13, the procedure side of this code's crossing.” · check together
  • and 2227 more

Nearest codes (40)

  • N83 — Noninflammatory disorders of ovary, fallopian tube and broad ligament [Sibling]
  • N83.12 — Corpus luteum cyst of left ovary [Sibling]
  • N83.2 — Other and unspecified ovarian cysts [Sibling]
  • N83.20 — Unspecified ovarian cysts [Sibling]
  • N83.201 — Unspecified ovarian cyst, right side [Sibling]
  • N83.202 — Unspecified ovarian cyst, left side [Sibling]
  • N83.209 — Unspecified ovarian cyst, unspecified side [Sibling]
  • N83.29 — Other ovarian cysts [Sibling]
  • and 32 more

Change history

  • FY2017 — Added to the code set [Change history]

Nearest Codes in This Family

Official ICD-10-CM classifications closest to N83.529 in its code family, with their registry titles.

  • N83.511 — Torsion of right ovary and ovarian pedicle
  • N83.512 — Torsion of left ovary and ovarian pedicle
  • N83.519 — Torsion of ovary and ovarian pedicle, unspecified side
  • N83.52 — Torsion of fallopian tube
  • N83.521 — Torsion of right fallopian tube
  • N83.522 — Torsion of left fallopian tube
  • N83.53 — Torsion of ovary, ovarian pedicle and fallopian tube
  • N83.6 — Hematosalpinx
  • N83.7 — Hematoma of broad ligament
  • N83.8 — Other noninflammatory disorders of ovary, fallopian tube and broad ligament

View all codes in the N83 family