A18.2 – Tuberculous peripheral lymphadenopathy
ICD-10-CM 2027 diagnosis code · Tuberculosis
ICD-10-CM code
A18.2
- Code
A18.2(claims format:A182)- Description
- Tuberculous peripheral lymphadenopathy
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 1. Certain infectious and parasitic diseases (A00-B99)
- Block
- A15-A19 Tuberculosis
- Parent codes
- A18
Notes for A18.2
Applicable to:
- Tuberculous adenitis
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
Block A15-A19
Includes:
- infections due to Mycobacterium tuberculosis and Mycobacterium bovis
Excludes1 (not coded here):
- congenital tuberculosis (P37.0)
- nonspecific reaction to test for tuberculosis without active tuberculosis (R76.1-)
- pneumoconiosis associated with tuberculosis, any type in A15 (J65)
- positive PPD (R76.11)
- positive tuberculin skin test without active tuberculosis (R76.11)
- sequelae of tuberculosis (B90.-)
- silicotuberculosis (J65)
Use additional code:
- code, if applicable, for associated cachexia (E88.A)
Index terms for A18.2
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Bubo, scrofulous
- Abscess, scrofulous
- Adenitis, scrofulous
- Scrofula, scrofulosis
- Caseation lymphatic gland
- Disease, diseased, scrofulous
- Adenitis, strumous, tuberculous
- Lymphangitis, strumous, tuberculous
- Tuberculosis, tubercular, tuberculous, cervical
- Tuberculosis, tubercular, tuberculous, scrofulous
- Tuberculosis, tubercular, tuberculous, neck gland
- Tuberculosis, tubercular, tuberculous, inguinalis
- Tuberculosis, tubercular, tuberculous, inguinal gland
- Tuberculosis, tubercular, tuberculous, axilla, axillary
- Tuberculosis, tubercular, tuberculous, glandular, general
- Tuberculosis, tubercular, tuberculous, lymph gland or node
- Tuberculosis, tubercular, tuberculous, abscess, scrofulous
- Tuberculosis, tubercular, tuberculous, infraclavicular gland
- Tuberculosis, tubercular, tuberculous, supraclavicular gland
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative, strumous
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative, scrofulous
- Tuberculosis, tubercular, tuberculous, lymph gland or node, cervical
Related codes in A18
- A18.0 – Tuberculosis of bones and jointsHeader
- A18.1 – Tuberculosis of genitourinary systemHeader
- A18.3 – Tuberculosis of intestines, peritoneum and mesenteric glandsHeader
- A18.4 – Tuberculosis of skin and subcutaneous tissueBillable
- A18.5 – Tuberculosis of eyeHeader
- A18.6 – Tuberculosis of (inner) (middle) earBillable
- A18.7 – Tuberculosis of adrenal glandsBillable
- A18.8 – Tuberculosis of other specified organsHeader
Frequently asked questions
What is ICD-10 code A18.2?
A18.2 is the ICD-10-CM code for tuberculous peripheral lymphadenopathy, in the block A15-A19 (Tuberculosis).
Is A18.2 a billable code?
Yes. A18.2 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does A18.2 belong to?
It belongs to category A18 – Tuberculosis of other organs.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.