DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

R59 Enlarged lymph nodes

  • Header · not billable

R59 is not billable. The category heads 3 billable codes in FY2027: the 3 codes directly below it.

Index → code

  • Lymphadenosis → R59.1
  • Adenopathy (lymph gland) → R59.9
  • Lymphadenopathy (generalized) → R59.1

Where it sits

  1. Chapter 18 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
  2. R50-R69 General symptoms and signs (R50-R69)
  3. R59 Enlarged lymph nodes
Billable codes
3
Subdivisions
3
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
26

Codes in R59

  1. R59.0
    Localized enlarged lymph nodes
    Billable
  2. R59.1
    Generalized enlarged lymph nodes
    Billable
    Inclusion terms 1

    Inclusion terms

    • Lymphadenopathy NOS
  3. R59.9
    Enlarged lymph nodes, unspecified
    Billable

Sources of each column.

Instructions

At R59

Includes

  • swollen glands

Excludes1

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

Notes that also apply

Chapter 18 instructions (Notes 9, Excludes2 4): printed on the chapter 18 page.

Index entries

  • Lymphadenopathy (generalized) → R59.1
  • Lymphadenosis → R59.1
  • Adenopathy (lymph gland) → R59.9
  • Adenopathy (lymph gland)inguinal → R59.0
  • Adenopathy (lymph gland)localized → R59.0
  • Adenopathy (lymph gland)mediastinal → R59.0
  • Adenopathy (lymph gland)mesentery → R59.0
  • Adenopathy (lymph gland)tracheobronchial → R59.0
  • Hyperplasia, hyperplasticcervical gland → R59.0
  • Hypertrophy, hypertrophichilus gland → R59.0
  • Lymphadenopathy (generalized)localized → R59.0
  • Swelling (of)cervical gland → R59.0
  • Adenopathy (lymph gland)generalized → R59.1
  • Enlargement, enlargedlymph gland or node → R59.9
  • Hyperplasia, hyperplasticlymph gland or node → R59.9
  • Hypertrophy, hypertrophicgland, glandular → R59.9
  • Hypertrophy, hypertrophiclymph, lymphatic gland → R59.9
  • Swelling (of)glands → R59.9
  • Enlargement, enlargedlymph gland or nodelocalized → R59.0
  • Hypertrophy, hypertrophicgland, glandularlocalized → R59.0
  • Hypertrophy, hypertrophiclymph, lymphatic glandlocalized → R59.0
  • Swelling (of)glandslocalized → R59.0
  • Enlargement, enlargedlymph gland or nodegeneralized → R59.1
  • Hypertrophy, hypertrophicgland, glandulargeneralized → R59.1
  • Hypertrophy, hypertrophiclymph, lymphatic glandgeneralized → R59.1
  • Swelling (of)glandsgeneralized → R59.1

NCHS Alphabetic Index. Index first, then the Tabular List.

Hierarchy