R59

R59: Enlarged lymph nodes

Non-billable headerICD-10-CM

R59 is a non-billable header ICD-10-CM code for enlarged lymph nodes. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

lymphadenitis NOS (I88.9)
acute lymphadenitis (L04.-)
chronic lymphadenitis (I88.1)
mesenteric (acute) (chronic) lymphadenitis (I88.0)

Includes

Conditions this code covers.

swollen glands

Other codes that can never be billed with R59

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

I88Nonspecific lymphadenitis
I89Other noninfective disorders of lymphatic vessels and lymph nodes
L04Acute lymphadenitis
R22Localized swelling, mass and lump of skin and subcutaneous tissue

Risk adjustment

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

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead R59

3 child codes. Green means billable.