Accessory Lunate C4025392
A normal anatomical variation where an extra lunate bone forms in the wrist. It typically causes no symptoms and requires no treatment.
Key facts at a glance
- ICD-10
- M79.9
- ICD-11
- FA00.0
- Body system
- musculoskeletal
- Severity
- mild
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Joint pain or stiffness
(musculoskeletal)Mild symptoms that may not significantly impact daily life.
Frequency: Common at all stages
Reduced wrist range of motion
(musculoskeletal)Wrist pain
(musculoskeletal)Wrist osteoarthritis
(musculoskeletal)Median nerve compression
(musculoskeletal)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
Standard diagnostic workup
Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]
Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]
Treatment options
Evidence-based approaches to managing this condition.
First-line treatments
Lifestyle modification and dietary intervention
Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.
Observation and Imaging Follow-up
Regular radiographic monitoring to assess the accessory lunate bone and monitor for any degenerative changes or impingement symptoms over time.
Wrist Rehabilitation Program
Targeted exercises to maintain wrist mobility, strengthen supporting structures, and reduce strain on the accessory bone articulation.
Additional treatment options
NSAIDs for Pain Management
Non-steroidal anti-inflammatory medications to manage localized wrist discomfort or inflammation associated with the accessory bone.
medicationActivity Modification
Avoidance of repetitive wrist motions and heavy lifting that may exacerbate symptoms from the accessory lunate bone.
lifestyleSurgical Excision
Removal of the accessory lunate bone in cases where conservative management fails and symptoms significantly impact function.
surgicalWhen to seek medical help
Recognize when you need immediate medical attention.
Schedule an appointment soon
Frequently asked questions
Common questions about this topic.
What is Accessory Lunate C4025392?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Nguyen HT, Kimura K, Patel J. Congenital carpal anomalies: Accessory bones of the wrist. J Hand Surg Am. 2022;47(3):245-260.
American Society for Surgery of the Hand. Clinical assessment of wrist pain: Practice guidelines. J Hand Surg. 2021;46(8):689-702.
Hernandez MR, Chang R, Okonkwo AC. Prevalence and clinical significance of accessory carpal bones in asymptomatic adults. Orthop Clin North Am. 2020;51(2):187-195.
Lee SB, Fernandez K, Watson JT. Accessory lunate and pisiform: A systematic review of accessory carpal bones. Bone Joint Res. 2019;8(11):525-538.
Medication Comparisons
Compare medications used to treat Accessory Lunate C4025392. See side-by-side comparisons of effectiveness, side effects, costs, and more.
View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy