2026 ICD-10-CM Diagnosis Code I89.8Other specified noninfective disorders of lymphatic vessels and lymph nodes

ICD-10-CM CodesI00–I99I80-I89I89

ICD-10-CM I89.8
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

I89.8 is a billable ICD-10-CM diagnosis code for other specified noninfective disorders of lymphatic vessels and lymph nodes. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 814 through 816. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified diseases of veins and lymphatics.

Code Identity

ICD-10-CM Code
I89.8
Billable Status
Yes — Valid for Submission
Code Describes
Other specified noninfective disorders of lymphatic vessels and lymph nodes
Short Description
Oth noninfective disorders of lymphatic vessels and nodes
Parent Code
Other noninfective disorders of lymphatic vessels and lymph nodes

Code Classification

ChapterI00–I99Diseases of the circulatory system
SectionI80-I89Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified
CategoryI89Other noninfective disorders of lymphatic vessels and lymph nodes
This CodeI89.8Other specified noninfective disorders of lymphatic vessels and lymph nodes

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Adenolymphangitis
  • Axillary web syndrome
  • Calcified lymph nodes
  • Chylocele
  • Chylolymphatic mesenteric cyst
  • Chylorrhea
  • Chylorrhea of external genitalia
  • Chylous ascites
  • Chylous ascites of newborn
  • Chylous cyst
  • Cutaneous lymphorrhea
  • Cystic disorder of lymphatic system
  • Disorders of lymph node and lymphatics
  • Escape of lymph
  • Fistula of thoracic duct
  • Fungating tumor of lymph node
  • Hyperplastic lymph vessel
  • Hypoplastic lymph vessel
  • Injury of thoracic duct
  • Leakage of chyle
  • Leakage of lymph from thoracic duct
  • Lymph cyst
  • Lymph fistula
  • Lymph node fistula
  • Lymph node infarction
  • Lymph node rupture
  • Lymph vessel fistula
  • Lymph vessel infarction
  • Lymph vessel rupture
  • Lymphatic vesicle
  • Lymphocele
  • Lymphocele after surgical procedure
  • Lymphocytic hypoplasia
  • Lymphorrhoids
  • Lymphostasis
  • Mesenteric cyst
  • Nonfilarial chylocele
  • Perirenal and periureteric post-transplant lymphocele
  • Postprocedural lymphocele
  • Proteinaceous lymphadenopathy
  • Rupture of thoracic duct
  • Ulceration of axillary lymph node
  • Ulceration of cervical lymph node
  • Ulceration of epitrochlear lymph node
  • Ulceration of lymph node
  • Virchow's node

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Inclusion Terms

  • Chylocele (nonfilarial)
  • Chylous ascites
  • Chylous cyst
  • Lipomelanotic reticulosis
  • Lymph node or vessel fistula
  • Lymph node or vessel infarction
  • Lymph node or vessel rupture

Index to Diseases and InjuriesGuidance

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Ascites(abdominal)
      • chylous (nonfilarial)
    • Atrophy, atrophic(of)
      • glandular
    • Calcification
      • lymph gland or node (postinfectional)
    • Chyle cyst, mesentery
    • Chylocele(nonfilarial)
    • Cyst(colloid) (mucous) (simple) (retention)
      • mesentery, mesenteric
        • chyle
    • Cyst(colloid) (mucous) (simple) (retention)
      • peritoneum
        • chylous
    • Degeneration, degenerative
      • lymph gland
    • Degeneration, degenerative
      • lymph gland
        • hyaline
    • Erosion
      • lymphatic vessel
    • Extravasation
      • chyle into mesentery
    • Fibrosis, fibrotic
      • lymphatic gland
    • Fistula(cutaneous)
      • lymphatic
    • Fistula(cutaneous)
      • thoracic
        • duct
    • Hydrothorax(double) (pleura)
      • chylous (nonfilarial)
    • Infarct, infarction
      • lymph node
    • Lymphocele
    • Lymphorrhea
    • Lymphostasis
    • Reticulosis(skin)
      • lipomelanotic
    • Rupture, ruptured
      • lymphatic vessel
    • Rupture, ruptured
      • thoracic duct
    • Sclerosis, sclerotic
      • gland (lymphatic)
    • Stasis
      • lymphatic

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR CIR039
Other specified diseases of veins and lymphatics
Default principal diagnosis: inpatient Yes · outpatient Yes

Clinical InformationClinical

  • Lymphocele

    cystic mass containing lymph from diseased lymphatic channels or following surgical trauma or other injury.
  • Mesenteric Cyst

    a rare intra-abdominal tumor in the mesentery. mesenteric cysts are usually benign and can be very large fluid-filled (2000 ml) lesions.
  • Chylous Ascites

    presence of milky lymph (chyle) in the peritoneal cavity, with or without infection.
  • Grade 1 Lymphocele, CTCAE|Grade 1 Lymphocele|Grade 1 Lymphocele

    asymptomatic; clinical or diagnostic observations only; intervention not indicated
  • Grade 2 Lymphocele, CTCAE|Grade 2 Lymphocele|Grade 2 Lymphocele

    symptomatic; medical intervention indicated
  • Grade 3 Lymphocele, CTCAE|Grade 3 Lymphocele|Grade 3 Lymphocele

    severe symptoms; invasive intervention indicated
  • Lymphocele

    a cystic lesion containing lymph. it usually results from injury, gynecologic surgery, or urologic surgery.
  • Lymphocele, CTCAE|Lymphocele|Lymphocele|Lymphocele

    a disorder characterized by a cystic lesion containing lymph.
  • Microsphere-Mediated Lymphocele Prevention

    a surgical technique that uses microspheres at the site of a lymph node resection in an effort to prevent the formation of a lymphocele.
  • Renal Lymphocele|Kidney Lymphocele|Kidney Lymphocele

    encapsulated collection of lymphatic fluid around a transplanted kidney.

Patient EducationClinical

Lymphatic Diseases

The lymphatic system is a network of tissues and organs. It is made up of:

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert I89.8 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
457.8 Noninfect lymph dis NEC
Exact Match The mapping is direct, with no qualifiers.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About I89.8Overview

Is I89.8 a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report other specified noninfective disorders of lymphatic vessels and lymph nodes on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does I89.8 group to?

When other specified noninfective disorders of lymphatic vessels and lymph nodes is the principal diagnosis on an inpatient stay, it groups to MS-DRG 814, 815, 816, with relative weights from 0.6320 to 2.1267 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of I89.8?

Under the General Equivalence Mappings, other specified noninfective disorders of lymphatic vessels and lymph nodes converts to ICD-9-CM 457.8 (noninfect lymph dis NEC). The mapping is a direct match.

Footnotes

[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.