G90.52 – Complex regional pain syndrome I of lower limb
ICD-10-CM 2027 diagnosis code · Other disorders of the nervous system
- Code
G90.52(claims format:G9052)- Description
- Complex regional pain syndrome I of lower limb
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 6. Diseases of the nervous system (G00-G99)
- Block
- G89-G99 Other disorders of the nervous system
- Parent codes
- G90 › G90.5
Billable codes under G90.52
G90.52 is a header code and cannot be used on claims. Choose the most specific code:
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
G90 – Disorders of autonomic nervous system
- dysfunction of the autonomic nervous system due to alcohol (G31.2)
G90.5 – Complex regional pain syndrome I (CRPS I)
- Reflex sympathetic dystrophy
Index terms for G90.52
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in G90.5
Frequently asked questions
What is ICD-10 code G90.52?
G90.52 is the ICD-10-CM code for complex regional pain syndrome I of lower limb, in the block G89-G99 (Other disorders of the nervous system).
Is G90.52 a billable code?
No. G90.52 is a header code with more specific child codes; report one of the billable codes listed above.
What category does G90.52 belong to?
It belongs to category G90 – Disorders of autonomic nervous system.
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.