L04
Non-billableAcute lymphadenitis
Acute lymphadenitis
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Status
Non-billable / Header
Block
L00-L08
Child Codes
6
Coding Notes
Includes
Conditions included under this code
- abscess (acute) of lymph nodes, except mesenteric
- acute lymphadenitis, except mesenteric
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- lipomelanotic reticulosis (I89.8)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- systemic connective tissue disorders (M30-M36)
- viral warts (B07.-)
- hordeolum (H00.0)
- infective dermatitis (L30.3)
- local infections of skin classified in Chapter 1
- lupus panniculitis (L93.2)
- panniculitis NOS (M79.3)
- panniculitis of neck and back (M54.0-)
- Perlèche NOS (K13.0)
- Perlèche due to candidiasis (B37.0)
- Perlèche due to riboflavin deficiency (E53.0)
- pyogenic granuloma (L98.0)
- relapsing panniculitis [Weber-Christian] (M35.6)
- zoster (B02.-)
Use Additional Code
Additional codes that should follow this code
- code (B95-B97) to identify infectious agent.
Child Codes (6)
Also Known As / Clinical Terms
Frequently Asked Questions
What is ICD-10 code L04?
ICD-10-CM code L04 represents "Acute lymphadenitis". It is a non-billable header code — use a more specific child code for billing purposes.
Is L04 a billable code?
No, L04 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 6 child codes under L04.
What chapter is L04 in?
L04 is in Chapter 12: Diseases of the Skin and Subcutaneous Tissue (codes L00-L99).
What codes cannot be used with L04?
L04 has Excludes1 notes indicating codes that cannot be used together with it, including: chronic or subacute lymphadenitis, except mesenteric (I88.1); enlarged lymph nodes (R59.-); human immunodeficiency virus [HIV] disease resulting in generalized lymphadenopathy (B20); and 2 more.
What are the subcategories under L04?
L04 has 6 child codes, including: L04.0 (Acute lymphadenitis of face, head and neck), L04.1 (Acute lymphadenitis of trunk), L04.2 (Acute lymphadenitis of upper limb), L04.3 (Acute lymphadenitis of lower limb), and 2 more.
Are additional codes required with L04?
Yes, when using L04 you should also code: code (B95-B97) to identify infectious agent..
What are the UMLS CUIs for L04?
L04 is linked to 3 UMLS Concept Unique Identifiers: C0157705, C4290218, C0272395. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.