ICD-10-CM Codes
A00-B99 Certain infectious and parasitic diseases
A15-A19 Tuberculosis
A18- Tuberculosis of other organs
2022 ICD-10-CM Diagnosis Code A18.2

2022 ICD-10-CM Diagnosis Code A18.2

Tuberculous peripheral lymphadenopathy

2016

2017

2018

2019

2020

2021

2022

Billable/Specific Code

A18.2 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2022 edition of ICD-10-CM A18.2 became effective on October 1, 2021.
This is the American ICD-10-CM version of A18.2 - other international versions of ICD-10 A18.2 may differ.

Applicable To

Tuberculous adenitis

Type 2 Excludes

Type 2 Excludes Help

A type 2 excludes note represents "not included here". A type 2 excludes note indicates that the condition excluded is not part of the condition it is excluded from but a patient may have both conditions at the same time. When a type 2 excludes note appears under a code it is acceptable to use both the code (A18.2) and the excluded code together.

tuberculosis of bronchial and mediastinal lymph nodes (
ICD-10-CM Diagnosis Code A15.4
Tuberculosis of intrathoracic lymph nodes
Applicable To
- Tuberculosis of hilar lymph nodes
- Tuberculosis of mediastinal lymph nodes
- Tuberculosis of tracheobronchial lymph nodes
Type 1 Excludes
- tuberculosis specified as primary (A15.7)
A15.4
)
tuberculosis of mesenteric and retroperitoneal lymph nodes (
ICD-10-CM Diagnosis Code A18.39
Retroperitoneal tuberculosis
Applicable To
- Tuberculosis of mesenteric glands
- Tuberculosis of retroperitoneal (lymph glands)
A18.39
)
tuberculous tracheobronchial adenopathy (
ICD-10-CM Diagnosis Code A15.4
Tuberculosis of intrathoracic lymph nodes
Applicable To
- Tuberculosis of hilar lymph nodes
- Tuberculosis of mediastinal lymph nodes
- Tuberculosis of tracheobronchial lymph nodes
Type 1 Excludes
- tuberculosis specified as primary (A15.7)
A15.4
)

The following code(s) above A18.2 contain annotation back-references

Annotation Back-References

In this context, annotation back-references refer to codes that contain:

Applicable To annotations, or
Code Also annotations, or
Code First annotations, or
Excludes1 annotations, or
Excludes2 annotations, or
Includes annotations, or
Note annotations, or
Use Additional annotations

that may be applicable to A18.2:

A00-B99
2022 ICD-10-CM Range A00-B99
Certain infectious and parasitic diseases
Includes
- diseases generally recognized as communicable or transmissible
Type 1 Excludes
- certain localized infections - see body system-related chapters
Type 2 Excludes
- carrier or suspected carrier of infectious disease (Z22.-)
- infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
- infectious and parasitic diseases specific to the perinatal period (P35-P39)
- influenza and other acute respiratory infections (J00-J22)
Use Additional
- code to identify resistance to antimicrobial drugs (Z16.-)
Certain infectious and parasitic diseases
A15-A19
2022 ICD-10-CM Range A15-A19
Tuberculosis
Includes
- infections due to Mycobacterium tuberculosis and Mycobacterium bovis
Type 1 Excludes
- 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)
Tuberculosis

Approximate Synonyms

Tuberculosis (tb) adenitis
Tuberculous adenitis

Clinical Information

Infection of the lymph nodes by tuberculosis. Tuberculous infection of the cervical lymph nodes is scrofula.

ICD-10-CM A18.2 is grouped within Diagnostic Related Group(s) (MS-DRG v39.0):

814 Reticuloendothelial and immunity disorders with mcc
815 Reticuloendothelial and immunity disorders with cc
816 Reticuloendothelial and immunity disorders without cc/mcc
974 Hiv with major related condition with mcc
975 Hiv with major related condition with cc
976 Hiv with major related condition without cc/mcc

Convert A18.2 to ICD-9-CM

Code History

2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
2017 (effective 10/1/2016): No change
2018 (effective 10/1/2017): No change
2019 (effective 10/1/2018): No change
2020 (effective 10/1/2019): No change
2021 (effective 10/1/2020): No change
2022 (effective 10/1/2021): No change

Diagnosis Index entries containing back-references to A18.2:

Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) L02.91
ICD-10-CM Diagnosis Code L02.91
Cutaneous abscess, unspecified
- scrofulous A18.2 (tuberculous)
Adenitis - see also Lymphadenitis
- scrofulous A18.2 (tuberculous)
- strumous, tuberculous A18.2
Bubo I88.8
ICD-10-CM Diagnosis Code I88.8
Other nonspecific lymphadenitis
- scrofulous A18.2 (tuberculous)
Caseation lymphatic gland A18.2 (tuberculous)
Disease, diseased - see also Syndrome
- scrofulous A18.2 (tuberculous)
Lymphangitis I89.1
ICD-10-CM Diagnosis Code I89.1
Lymphangitis
Applicable To
Chronic lymphangitis
Lymphangitis NOS
Subacute lymphangitis
Type 1 Excludes
acute lymphangitis (L03.-)
- strumous, tuberculous A18.2
Scrofula, scrofulosis A18.2 (tuberculosis of cervical lymph glands)
Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) A15.9
ICD-10-CM Diagnosis Code A15.9
Respiratory tuberculosis unspecified
- abscess (respiratory) A15.9
  ICD-10-CM Diagnosis Code A15.9
  Respiratory tuberculosis unspecified
  2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
  - scrofulous A18.2
- lymph gland or node (peripheral) A18.2
  - cervical A18.2
- axilla, axillary A18.2 (gland)
- cervical A18.2 (lymph gland or node)
- glandular, general A18.2
- infraclavicular gland A18.2
- inguinal gland A18.2
- inguinalis A18.2
- neck gland A18.2
- scrofulous A18.2
- supraclavicular gland A18.2
Ulcer, ulcerated, ulcerating, ulceration, ulcerative
- scrofulous A18.2 (tuberculous)
- strumous A18.2 (tuberculous)

ICD-10-CM Codes Adjacent To A18.2

A18.1 Tuberculosis of genitourinary system

A18.10 …… unspecified

A18.11 Tuberculosis of kidney and ureter

A18.12 Tuberculosis of bladder

A18.13 Tuberculosis of other urinary organs

A18.14 Tuberculosis of prostate

A18.15 Tuberculosis of other male genital organs

A18.16 Tuberculosis of cervix

A18.17 Tuberculous female pelvic inflammatory disease

A18.18 Tuberculosis of other female genital organs

A18.2 Tuberculous peripheral lymphadenopathy

A18.3 Tuberculosis of intestines, peritoneum and mesenteric glands

A18.31 Tuberculous peritonitis

A18.32 Tuberculous enteritis

A18.39 Retroperitoneal tuberculosis

A18.4 Tuberculosis of skin and subcutaneous tissue

A18.5 Tuberculosis of eye

A18.50 …… unspecified

A18.51 Tuberculous episcleritis

A18.52 Tuberculous keratitis

A18.53 Tuberculous chorioretinitis

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

2022 ICD-10-CM Diagnosis Code A18.2

Tuberculous peripheral lymphadenopathy

Tuberculosis of intrathoracic lymph nodes

Retroperitoneal tuberculosis

Tuberculosis of intrathoracic lymph nodes

Certain infectious and parasitic diseases

Tuberculosis

Cutaneous abscess, unspecified

Other nonspecific lymphadenitis

Lymphangitis

Respiratory tuberculosis unspecified

Respiratory tuberculosis unspecified