I89.1 Lymphangitis

Billable ICD-10-CM code, FY2026.

Applicable to

• Chronic lymphangitis
• Lymphangitis NOS
• Subacute lymphangitis

Excludes1 (never code together)

• acute lymphangitis (L03.-)

Applies from I89 Other noninfective disorders of lymphatic vessels and lymph nodes

Excludes1 (never code together)

• chylocele, tunica vaginalis (nonfilarial) NOS (N50.89)
• enlarged lymph nodes NOS (R59.-)
• filarial chylocele (B74.-)
• hereditary lymphedema (Q82.0)

MS-DRG index

Defines the logic of DRG(s) 602-603 in MDC 09.

Approximate ICD-9-CM (GEMs)

• 457.2 Lymphangitis

Code annotations containing back-references to I89.1

Back-references to I89.1

• Type 2 Excludes: L03 Cellulitis and acute lymphangitis ("lymphangitis (chronic) (subacute) (I89.1)")
• Type 1 Excludes: L03.91 Acute lymphangitis, unspecified ("lymphangitis NOS (I89.1)")

Diagnosis Index entries for I89.1

• Gangrene, gangrenous (connective tissue) (dropsical) (dry) (moist) (skin) (ulcer) › lymphangitis
• Lymphangitis
• Lymphangitis › chronic (any site)
• Lymphangitis › subacute (any site)

Nearby codes

• I89 Other noninfective disorders of lymphatic vessels and lymph nodes
• I89.0 Lymphedema, not elsewhere classified
• I89.1 Lymphangitis (this code)
• I89.8 Other specified noninfective disorders of lymphatic vessels and lymph nodes
• I89.9 Noninfective disorder of lymphatic vessels and lymph nodes, unspecified