A69.29 ICD-10-CM Code: Other conditions associated with Lyme disease
HCC Buddy Code Card
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FY 2026 Apr update / Certain infectious and parasitic diseases (A00-B99) / Other spirochetal diseases (A65-A69)
A69.29
Billable / SpecificICD-10-CMOfficial ICD-10-CMCodebook guidanceOther conditions associated with Lyme disease
This code is used for various complications and conditions that develop as a result of Lyme disease infection, beyond the more common manifestations like joint pain or facial paralysis. It captures the broader systemic effects that can occur when the Lyme disease infection affects different parts of the body.
CMS-HCC V28
00
RAF 0
CMS-HCC V24
00
RAF 0
ACA/HHS
00
RAF 0
ESRD/PACE
00
RAF 0
RXHCC
00
RAF 0
Code Trumping
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Code Book Path
Inclusion Terms
Official- Myopericarditis due to Lyme disease
Excludes 2
OfficialICD-10-CM does not list Excludes 2 notes for A69.29 in this effective period.
Related Child Codes
Includes
OfficialICD-10-CM does not list Includes notes for A69.29 in this effective period.
Excludes 1
OfficialICD-10-CM does not list Excludes 1 notes for A69.29 in this effective period.
Code First
OfficialICD-10-CM does not list Code First sequencing instructions for A69.29 in this effective period.
Use Additional
OfficialICD-10-CM does not list Use Additional Code instructions for A69.29 in this effective period.
Code Also
OfficialICD-10-CM does not list Code Also instructions for A69.29 in this effective period.
Buddy Documentation Tip
Last updated: FY2026 ICD-10-CM Apr update, Apr 1, 2026 through Sep 30, 2026. CMS-HCC V28 is 100% phased in for payment year 2026.
Is A69.29 an HCC code?
No. A69.29 is a billable ICD-10-CM code but does not map to any HCC category in V28, V24, ESRD, or RxHCC.
Coder workflow notes
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This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
A69.29 is the ICD-10-CM diagnosis code for other conditions associated with lyme disease. This code is used for various complications and conditions that develop as a result of Lyme disease infection, beyond the more common manifestations like joint pain or facial paralysis. It captures the broader systemic effects that can occur when the Lyme disease infection affects different parts of the body. A69.29 sits in the ICD-10-CM chapter for certain infectious and parasitic diseases (a00-b99), within the section covering other spirochetal diseases (a65-a69).
A69.29 is a billable ICD-10-CM code but does not map to a payment HCC under the CMS-HCC V28, V24, ESRD, or RxHCC risk adjustment models. It can be reported on Medicare Advantage encounter data submissions but it does not contribute to a beneficiary's RAF score and therefore does not affect risk-adjusted payments to the plan.
Use this code only after confirming the condition is directly associated with Lyme disease; do not use for unrelated conditions that happen to occur in a patient with Lyme disease history.
HCC Buddy maintains structured V28 and V24 mapping, RAF weights, and MEAT documentation criteria for A69.29 sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.
Coding Tips
- •Use this code only after confirming the condition is directly associated with Lyme disease; do not use for unrelated conditions that happen to occur in a patient with Lyme disease history
- •Pair this code with the appropriate manifestation code (such as arthritis, carditis, or neurological conditions) to fully describe the patient's clinical presentation and ensure complete documentation