I88.0

I88.0: Nonspecific mesenteric lymphadenitis

Billable / specific codeICD-10-CM

I88.0 is a billable, specific ICD-10-CM code for nonspecific mesenteric lymphadenitis. It is valid for submission on a claim.

Check I88.0 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Mesenteric lymphadenitis (acute)(chronic)

Excludes1 inherited from the categories above I88.0

A category’s note binds every code beneath it.

Written on I88: Nonspecific lymphadenitis

acute lymphadenitis, except mesenteric (L04.-)
enlarged lymph nodes NOS (R59.-)
human immunodeficiency virus [HIV] disease resulting in generalized lymphadenopathy (B20)

Other codes that can never be billed with I88.0

Their own Excludes1 notes name this code, so the conflict is not listed above.

L04Acute lymphadenitis
R59Enlarged lymph nodes

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

I88.0 is named in 3 Medicare coverage policies: 3 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A56421Billing and Coding: CT of the Abdomen and Pelvis
A56464Billing and Coding: Flow Cytometry
A56775Billing and Coding: Magnetic Resonance Angiography

Alphabetic index entries that lead here

Brennemann's syndrome
Adenitis›mesenteric(acute) (chronic) (nonspecific) (subacute)
Infection, infected, infective›mesenteric lymph nodes or glands NEC
Lymphadenitis›mesenteric(acute) (chronic) (nonspecific) (subacute)
Abscess›lymph, lymphatic, gland or node›mesentery
Infection, infected, infective›lymph gland›mesenteric
Lymphadenitis›chronic›mesenteric

Code history

Unchanged in every release from FY2024 to FY2027.