ICD-10-CM Code For Other Spirochetal Infections: Group Overview

The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group A69 includes infections caused by spirochetes other than those classified under Lyme disease, such as erythema chronicum migrans equivalents and other specified spirochetal diseases, covering localized and systemic presentations. These ICD-10-CM diagnosis codes are used to document clinical encounters for spirochetal infections, capturing disease severity, organ involvement, or clinical complexity relevant to this group. Accurate coding within the ICD-10-CM A69 group supports proper claim adjudication, complete clinical documentation, and appropriate reimbursement.

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ICD-10-CM A69: Other Spirochetal Infections Overview

The diagnoses in this group represent infections caused by non-lyme spirochetal organisms affecting multiple body systems, commonly presenting with dermatologic, neurologic, or systemic signs. These conditions target infectious disease processes and may involve skin, nervous system, or other organs depending on the pathogen and stage. Accurate coding matters for appropriate clinical documentation and reimbursement because it communicates disease specificity and severity to payers and supports correct claim adjudication.

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ICD-10-CM Code For Other Spirochetal Infections: Group Overview

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ICD-10-CM A69: Other Spirochetal Infections Overview

When to Use

Use a code from this group when a patient has a documented diagnosis of a non-lyme spirochetal infection or a specified clinical syndrome attributed to a spirochete. Assign the code that best reflects the specific organism, site of involvement, and documented clinical manifestations to ensure accurate recordkeeping and billing.

ICD-10-CM Codes

9 rows

ICD-10-CM Code	Description
A69.0	Necrotizing ulcerative stomatitis
A69.1	Other Vincent's infections
A69.20	Lyme disease, unspecified
A69.21	Meningitis due to Lyme disease
A69.22	Other neurologic disorders in Lyme disease
A69.23	Arthritis due to Lyme disease
A69.29	Other conditions associated with Lyme disease
A69.8	Other specified spirochetal infections
A69.9	Spirochetal infection, unspecified

DRG Codes

11 rows

DRG Code	Description
011	Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy with MCC
012	Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy with CC
013	Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy without CC/MCC
152	Otitis Media and URI with MCC
153	Otitis Media and URI without MCC
157	Dental and Oral Diseases with MCC
158	Dental and Oral Diseases with CC
159	Dental and Oral Diseases without CC/MCC
867	Other Infectious and Parasitic Diseases Diagnoses with MCC
868	Other Infectious and Parasitic Diseases Diagnoses with CC
869	Other Infectious and Parasitic Diseases Diagnoses without CC/MCC

Typical Clinical Scenarios

An adult presents to the emergency department with a several-day history of high fever, severe headache, myalgias, and a diffuse maculopapular rash after recent exposure to wooded areas and tick bite; blood cultures and serology are pending but the clinician documents suspected acute leptospiral infection with systemic involvement, prompting empiric therapy and inpatient monitoring. A diagnosis from this spirochetal group is assigned for the acute systemic zoonotic infection while confirmatory testing is awaited. Typical codes: A69.0, A69.9
A middle-aged patient in outpatient infectious disease follow-up has persistent, intermittent migratory arthralgias, low-grade fever, and fatigue for months after a treated erythema migrans–like illness; evaluation raises concern for chronic manifestations or late sequelae of a spirochetal infection requiring ongoing symptomatic management and specialist assessment. A code from this group is used to capture the chronic/post-infectious spirochetal disease process. Typical codes: A69.21, A69.22
A hospitalized patient with poorly controlled diabetes develops a localized suppurative skin and soft tissue infection at a puncture wound that cultures positive for spirochetes, complicated by cellulitis and requiring surgical debridement; the spirochetal infection is recorded as a comorbidity contributing to the acute complication and treatment plan. A code from this group is applied to document the identified spirochetal pathogen as the cause of the complicated soft tissue infection. Typical codes: A69.23, A69.8

Related Codes

A65-NONVENEREAL-SYPHILIS

ICD-10-CM Code For Nonvenereal Syphilis: Group Overview

A66-YAWS

ICD-10-CM Code For Yaws: Group Overview

A67-PINTA-CARATE

ICD-10-CM Code For Pinta Carate: Group Overview

A68-RELAPSING-FEVERS

ICD-10-CM Code For Relapsing Fevers: Group Overview

Frequently Asked Questions

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.

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When to Use

ICD-10-CM Codes

9 rows

ICD-10-CM Code	Description
A69.0	Necrotizing ulcerative stomatitis
A69.1	Other Vincent's infections
A69.20	Lyme disease, unspecified
A69.21	Meningitis due to Lyme disease
A69.22	Other neurologic disorders in Lyme disease
A69.23	Arthritis due to Lyme disease
A69.29	Other conditions associated with Lyme disease
A69.8	Other specified spirochetal infections
A69.9	Spirochetal infection, unspecified

DRG Codes

11 rows

DRG Code	Description
011	Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy with MCC
012	Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy with CC
013	Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy without CC/MCC
152	Otitis Media and URI with MCC
153	Otitis Media and URI without MCC
157	Dental and Oral Diseases with MCC
158	Dental and Oral Diseases with CC
159	Dental and Oral Diseases without CC/MCC
867	Other Infectious and Parasitic Diseases Diagnoses with MCC
868	Other Infectious and Parasitic Diseases Diagnoses with CC
869	Other Infectious and Parasitic Diseases Diagnoses without CC/MCC

Typical Clinical Scenarios

An adult presents to the emergency department with a several-day history of high fever, severe headache, myalgias, and a diffuse maculopapular rash after recent exposure to wooded areas and tick bite; blood cultures and serology are pending but the clinician documents suspected acute leptospiral infection with systemic involvement, prompting empiric therapy and inpatient monitoring. A diagnosis from this spirochetal group is assigned for the acute systemic zoonotic infection while confirmatory testing is awaited. Typical codes: A69.0, A69.9
A middle-aged patient in outpatient infectious disease follow-up has persistent, intermittent migratory arthralgias, low-grade fever, and fatigue for months after a treated erythema migrans–like illness; evaluation raises concern for chronic manifestations or late sequelae of a spirochetal infection requiring ongoing symptomatic management and specialist assessment. A code from this group is used to capture the chronic/post-infectious spirochetal disease process. Typical codes: A69.21, A69.22
A hospitalized patient with poorly controlled diabetes develops a localized suppurative skin and soft tissue infection at a puncture wound that cultures positive for spirochetes, complicated by cellulitis and requiring surgical debridement; the spirochetal infection is recorded as a comorbidity contributing to the acute complication and treatment plan. A code from this group is applied to document the identified spirochetal pathogen as the cause of the complicated soft tissue infection. Typical codes: A69.23, A69.8

Related Codes

A65-NONVENEREAL-SYPHILIS

ICD-10-CM Code For Nonvenereal Syphilis: Group Overview

A66-YAWS

ICD-10-CM Code For Yaws: Group Overview

A67-PINTA-CARATE

ICD-10-CM Code For Pinta Carate: Group Overview

A68-RELAPSING-FEVERS

ICD-10-CM Code For Relapsing Fevers: Group Overview

Frequently Asked Questions

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.

Published by

Trek Health powers OpenPayer with a leading commercial payer intelligence platform, seamlessly converting fragmented payer data into actionable insights for provider organizations.

ICD-10-CM Code For Other Spirochetal Infections: Group Overview

Sign up for ICD-10-CM Code For Other Spirochetal Infections: Group Overview policy alerts

ICD-10-CM A69: Other Spirochetal Infections Overview

ICD-10-CM Code For Other Spirochetal Infections: Group Overview

Sign up for ICD-10-CM Code For Other Spirochetal Infections: Group Overview policy alerts

ICD-10-CM A69: Other Spirochetal Infections Overview

When to Use

ICD-10-CM Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

Which ICD-10-CM codes are included in the A69 group?

What clinical presentations do diagnoses in ICD-10-CM A69 represent?

Why is accurate coding within the A69 group important for billing and reimbursement?

How does the A69 group relate to DRG assignment?

Which A69 codes specifically indicate neurologic or arthritic involvement?

References

When to Use

ICD-10-CM Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

Which ICD-10-CM codes are included in the A69 group?

What clinical presentations do diagnoses in ICD-10-CM A69 represent?

Why is accurate coding within the A69 group important for billing and reimbursement?

How does the A69 group relate to DRG assignment?

Which A69 codes specifically indicate neurologic or arthritic involvement?

References