A52.77 – Syphilis of bone and joint
ICD-10-CM 2027 diagnosis code · Infections with a predominantly sexual mode of transmission
ICD-10-CM code
A52.77
- Code
A52.77(claims format:A5277)- Description
- Syphilis of bone and joint
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 1. Certain infectious and parasitic diseases (A00-B99)
- Block
- A50-A64 Infections with a predominantly sexual mode of transmission
- Parent codes
- A52 › A52.7
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
Block A50-A64
Excludes1 (not coded here):
Excludes2 (not included here):
- human immunodeficiency virus [HIV] disease (B20)
Index terms for A52.77
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Gumma, bone
- Caries, syphilitic
- Exostosis, syphilitic
- Dactylitis, syphilitic
- Periostitis, syphilitic
- Gout, gouty, syphilitic
- Arthropathy, in, syphilis
- Osteomyelitis, syphilitic
- Hydrarthrosis, syphilitic
- Gout, chronic, syphilitic
- Syphilis, syphilitic, bone
- Syphilis, syphilitic, joint
- Syphilis, syphilitic, osseous
- Syphilis, syphilitic, fracture
- Syphilis, syphilitic, periosteum
- Syphilis, syphilitic, middle ear
- Syphilis, syphilitic, spondylitis
- Syphilis, syphilitic, osteoporosis
- Syphilis, syphilitic, petrous bone
- Nodule, juxta-articular, syphilitic
- Syphilis, syphilitic, skeletal system
- Syphilis, syphilitic, destruction of bone
- Destruction, destructive, bone, syphilitic
- Arthropathy, postinfectious NEC, in, syphilis
Related codes in A52.7
- A52.71 – Late syphilitic oculopathyBillable
- A52.72 – Syphilis of lung and bronchusBillable
- A52.73 – Symptomatic late syphilis of other respiratory organsBillable
- A52.74 – Syphilis of liver and other visceraBillable
- A52.75 – Syphilis of kidney and ureterBillable
- A52.76 – Other genitourinary symptomatic late syphilisBillable
- A52.78 – Syphilis of other musculoskeletal tissueBillable
- A52.79 – Other symptomatic late syphilisBillable
Frequently asked questions
What is ICD-10 code A52.77?
A52.77 is the ICD-10-CM code for syphilis of bone and joint, in the block A50-A64 (Infections with a predominantly sexual mode of transmission).
Is A52.77 a billable code?
Yes. A52.77 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does A52.77 belong to?
It belongs to category A52 – Late syphilis.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.