ICD-10-CM Codes
A00-B99 Rickettsioses

Rickettsioses A75-A79 >

Codes

A75
Typhus fever
A77
Spotted fever [tick-borne rickettsioses]
A78
Q fever
A79
Other rickettsioses

ICD-10-CM Diagnosis Codes A75-*

A75 Typhus fever
- A75.0 Epidemic louse-borne typhus fever due to Rick...
- A75.1 Recrudescent typhus [Brill's disease]
- A75.2 Typhus fever due to Rickettsia typhi
- A75.3 Typhus fever due to Rickettsia tsutsugamushi
- A75.9 Typhus fever, unspecified

ICD-10-CM Diagnosis Codes A77-*

A77 Spotted fever [tick-borne rickettsioses]
- A77.0 Spotted fever due to Rickettsia rickettsii
- A77.1 Spotted fever due to Rickettsia conorii
- A77.2 Spotted fever due to Rickettsia siberica
- A77.3 Spotted fever due to Rickettsia australis
- A77.4 Ehrlichiosis
  - A77.40 …… unspecified
  - A77.41 …… chafeensis [E. chafeensis]
  - A77.49 Other ehrlichiosis
- A77.8 Other spotted fevers
- A77.9 Spotted fever, unspecified

ICD-10-CM Diagnosis Codes A78-*

A78 Q fever

ICD-10-CM Diagnosis Codes A79-*

A79 Other rickettsioses
- A79.0 Trench fever
- A79.1 Rickettsialpox due to Rickettsia akari
- A79.8 Other specified rickettsioses
  - A79.81 Rickettsiosis due to Ehrlichia sennetsu
  - A79.89 Other specified rickettsioses
- A79.9 Rickettsiosis, unspecified

	A00-B99 ICD-10-CM Range A00-B99 Certain infectious and parasitic diseases A00-A09 Intestinal infectious diseases A15-A19 Tuberculosis A20-A28 Certain zoonotic bacterial diseases A30-A49 Other bacterial diseases A50-A64 Infections with a predominantly sexual m... A65-A69 Other spirochetal diseases A70-A74 Other diseases caused by chlamydiae A75-A79 Rickettsioses A80-A89 Viral and prion infections of the centra... A90-A99 Arthropod-borne viral fevers and viral h... B00-B09 Viral infections characterized by skin a... B10-B10 Other human herpesviruses B15-B19 Viral hepatitis B20-B20 Human immunodeficiency virus [HIV] disea... B25-B34 Other viral diseases B35-B49 Mycoses B50-B64 Protozoal diseases B65-B83 Helminthiases B85-B89 Pediculosis, acariasis and other infesta... B90-B94 Sequelae of infectious and parasitic dis... B95-B97 Bacterial and viral infectious agents B99-B99 Other infectious diseases
A70-A74 ICD-10-CM Range A70-A74 Other diseases caused by chlamydiae Type 1 Excludes sexually transmitted chlamydial diseases (A55-A56) A70 Chlamydia psittaci infections A71 Trachoma A74 Other diseases caused by chlamydiae	ICD10Data.com	A80-A89 ICD-10-CM Range A80-A89 Viral and prion infections of the central nervous system Type 1 Excludes postpolio syndrome (G14) sequelae of poliomyelitis (B91) sequelae of viral encephalitis (B94.1) A80 Acute poliomyelitis A81 Atypical virus infections of central ner... A82 Rabies A83 Mosquito-borne viral encephalitis A84 Tick-borne viral encephalitis A85 Other viral encephalitis, not elsewhere ... A86 Unspecified viral encephalitis A87 Viral meningitis A88 Other viral infections of central nervou... A89 Unspecified viral infection of central n...
	C00-D49 ICD-10-CM Range C00-D49 Neoplasms C00-C14 Malignant neoplasms of lip, oral cavity ... C15-C26 Malignant neoplasms of digestive organs C30-C39 Malignant neoplasms of respiratory and i... C40-C41 Malignant neoplasms of bone and articula... C43-C44 Melanoma and other malignant neoplasms o... C45-C49 Malignant neoplasms of mesothelial and s... C50-C50 Malignant neoplasms of breast C51-C58 Malignant neoplasms of female genital or... C60-C63 Malignant neoplasms of male genital orga... C64-C68 Malignant neoplasms of urinary tract C69-C72 Malignant neoplasms of eye, brain and ot... C73-C75 Malignant neoplasms of thyroid and other... C76-C80 Malignant neoplasms of ill-defined, othe... C7A-C7A Malignant neuroendocrine tumors C7B-C7B Secondary neuroendocrine tumors C81-C96 Malignant neoplasms of lymphoid, hematop... D00-D09 In situ neoplasms D10-D36 Benign neoplasms, except benign neuroend... D37-D48 Neoplasms of uncertain behavior, polycyt... D3A-D3A Benign neuroendocrine tumors D49-D49 Neoplasms of unspecified behavior