2021 ICD-10-CM Diagnosis Code A44

Bartonellosis

2016

2017

2018

2019

2020

2021

Non-Billable/Non-Specific Code

A44 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
The 2021 edition of ICD-10-CM A44 became effective on October 1, 2020.
This is the American ICD-10-CM version of A44 - other international versions of ICD-10 A44 may differ.

The following code(s) above A44 contain annotation back-references

Annotation Back-References

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

that may be applicable to A44:

Clinical Information

A gram-negative bacterial infection caused by bartonella bacilliformis. It is transmitted by ticks, flies and mosquitoes. Signs and symptoms include fever, headache, muscle pain, enlargement of the lymph nodes and anemia.
Infections by the genus bartonella. Bartonella bacilliformis can cause acute febrile anemia, designated oroya fever, and a benign skin eruption, called verruga peruana. Bartonella quintana causes trench fever, while bartonella henselae is the etiologic agent of bacillary angiomatosis (angiomatosis, bacillary) and is also one of the causes of cat-scratch disease in immunocompetent patients.

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

ICD-10-CM Codes Adjacent To A44

A42.8 Other forms of actinomycosis

A42.81 Actinomycotic meningitis

A42.82 Actinomycotic encephalitis

A42.89 Other forms of actinomycosis

A42.9 Actinomycosis, unspecified

A43 Nocardiosis

A43.0 Pulmonary nocardiosis

A43.1 Cutaneous nocardiosis

A43.8 Other forms of nocardiosis

A43.9 Nocardiosis, unspecified

A44 Bartonellosis

A44.0 Systemic bartonellosis

A44.1 Cutaneous and mucocutaneous bartonellosis

A44.8 Other forms of bartonellosis

A44.9 Bartonellosis, unspecified

A46 Erysipelas

A48 Other bacterial diseases, not elsewhere classified

A48.0 Gas gangrene

A48.1 Legionnaires' disease

A48.2 Nonpneumonic Legionnaires' disease [Pontiac fever]

A48.3 Toxic shock syndrome

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