ICD-10-CM › R00-R99 › R50-R69 › R59 Enlarged lymph nodes › R59.9
Enlarged lymph nodes, unspecified
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2007 Added to the draft code set draft Enlarged lymph nodes, unspecified
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from R59 Enlarged lymph nodes
Excludes1 - never coded here
- lymphadenitis NOS (I88.9)
- acute lymphadenitis (L04.-)
- chronic lymphadenitis (I88.1)
- mesenteric (acute) (chronic) lymphadenitis (I88.0)
Includes
- swollen glands
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Swollen
- Tumefaction
- Adenopathy
- Swelling > glands
- Enlargement, enlarged > lymph gland or node
- Hypertrophy, hypertrophic > gland, glandular
- Hyperplasia, hyperplastic > lymph gland or node
- Hypertrophy, hypertrophic > lymph, lymphatic gland
Codes in the same group
| Code | Description | Status |
|---|---|---|
| R59.0 | Localized enlarged lymph nodes | Valid |
| R59.1 | Generalized enlarged lymph nodes | Valid |