Other spirochetal diseases (A65-A69)
chapter 1: Certain Infectious and Parasitic Diseases
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Instructional notes
Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
Rules for coding infections and parasitic diseases, including HIV, organism and drug resistance codes, sepsis and septic shock, MRSA, Zika, and COVID-19.
- Human Immunodeficiency Virus (HIV) Infections (page 19)
- Infectious agents as the cause of diseases classified to other chapters (page 22)
- Infections resistant to antibiotics (page 22)
- Sepsis, Severe Sepsis, and Septic Shock (page 23)
- Methicillin Resistant Staphylococcus aureus (MRSA) Conditions (page 27)
- Zika virus infections (page 28)
- Coronavirus infections (page 28)
All codes under A65-A69
A65-A69 can't be used on a claim. Pick a billable code below; grey headings group them.
- A65Nonvenereal syphilis
- A66Yaws
- A66.0Initial lesions of yaws
- A66.1Multiple papillomata and wet crab yaws
- A66.2Other early skin lesions of yaws
- A66.3Hyperkeratosis of yaws
- A66.4Gummata and ulcers of yaws
- A66.5Gangosa
- A66.6Bone and joint lesions of yaws
- A66.7Other manifestations of yaws
- A66.8Latent yaws
- A66.9Yaws, unspecified
- A67Pinta [carate]
- A67.0Primary lesions of pinta
- A67.1Intermediate lesions of pinta
- A67.2Late lesions of pinta
- A67.3Mixed lesions of pinta
- A67.9Pinta, unspecified
- A68Relapsing fevers
- A68.0Louse-borne relapsing fever
- A68.1Tick-borne relapsing fever
- A68.9Relapsing fever, unspecified
- A69Other spirochetal infections
- A69.0Necrotizing ulcerative stomatitis
- A69.1Other Vincent's infections
- A69.2Lyme disease
- A69.20Lyme disease, unspecified
- A69.21Meningitis due to Lyme disease
- A69.22Other neurologic disorders in Lyme disease
- A69.23Arthritis due to Lyme disease
- A69.29Other conditions associated with Lyme disease
- A69.8Other specified spirochetal infections
- A69.9Spirochetal infection, unspecified
A65-A69 MS-DRGs
This code does not group to an MS-DRG as a principal diagnosis.
About the condition
Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.
Bacterial Infections
Bacteria are tiny organisms (living things) that have only one cell. Under a microscope, they look like balls, rods, or spirals. They can be found almost everywhere on Earth. There are lots of bacteria in and on your body. In fact, your body has about 10 times more bacteria cells than human cells.
Read more about bacterial infections on MedlinePlus