ICD-10-CM Alphabetic Index · FY 2026 48 Entries

Lymphadenitis in the ICD-10-CM Index ICD-10-CM

The main term Lymphadenitis carries 48 index entries pointing to 25 ICD-10-CM codes. The default entry is I88.9, the code the bare main term maps to; every indented line below refines the term by site, cause, or type. Verify any candidate code in the Tabular List before using it.

✓ Built from the official CMS FY 2026 index fileEffective Oct 1, 2025 – Sep 30, 2026

Index Entries

Codes Referenced

I88.9

Default Code

Letter

48 of 48 shown

ICD-10-CM

Index Entries Under Lymphadenitis 48 entries · 25 codes

Lymphadenitis I88.9

with ectopic or molar pregnancy O08.0

acute L04.9

axilla L04.2

face L04.0

head L04.0

hip L04.3

limb

lower L04.3

upper L04.2

neck L04.0

shoulder L04.2

specified site NEC L04.8

trunk L04.1

anthracosis (occupational) J60

any site, except mesenteric I88.9

chronic I88.1

subacute I88.1

breast

gestational see Mastitis, obstetric

puerperal, postpartum (nonpurulent) O91.22

chancroidal (congenital) A57

chronic I88.1

mesenteric I88.0

due to

Brugia (malayi) B74.1

timori B74.2

chlamydial lymphogranuloma A55

diphtheria (toxin) A36.89

lymphogranuloma venereum A55

Wuchereria bancrofti B74.0

following ectopic or molar pregnancy O08.0

gonorrheal A54.89

infective see Lymphadenitis, acute

mesenteric (acute) (chronic) (nonspecific) (subacute) I88.0

due to Salmonella typhi A01.09

tuberculous A18.39

mycobacterial A31.8

purulent see Lymphadenitis, acute

pyogenic see Lymphadenitis, acute

regional, nonbacterial I88.8

septic see Lymphadenitis, acute

subacute, unspecified site I88.1

suppurative see Lymphadenitis, acute

syphilitic (early) (secondary) A51.49

late A52.79

tuberculous see Tuberculosis, lymph gland

venereal (chlamydial) A55

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Related Index Terms

All index terms starting with L Index to Diseases and Injuries ICD-10-CM Code Lookup

Source: Centers for Medicare & Medicaid Services, FY 2026 ICD-10-CM Index to Diseases and Injuries release files, effective October 1, 2025 through September 30, 2026.