Deviation Of The 5th Finger C4021515
An abnormality affecting the pinky finger alignment. May be present at birth or result from other conditions. Management depends on severity and cause.
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
Visible curvature of the 5th finger
(musculoskeletal)Pain at the distal interphalangeal joint of the 5th finger
(musculoskeletal)Reduced grip strength due to finger deviation
(musculoskeletal)Stiffness in the 5th finger after rest
(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
Dietary counseling and physical activity plan
Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.
Finger mobilization exercises
Gentle range of motion and strengthening exercises to improve flexibility and function of the 5th finger. Includes finger spreads, flexion, and extension movements.
Splinting or buddy taping
Application of a splint or buddy taping technique to support and realign the deviated finger. Provides gentle continuous correction while allowing some movement for function.
Additional treatment options
Soft tissue reconstruction
Surgical release or repair of soft tissues including ligaments and tendons to correct finger alignment. May involve tendon transfers or capsular release.
surgicalAnti-inflammatory medication
Non-steroidal anti-inflammatory drugs to reduce pain and inflammation associated with the finger deviation, particularly if caused by arthritis or inflammatory conditions.
medicationFunctional assessment
Regular evaluation of finger function including grip strength, dexterity, and range of motion to track progression and determine need for escalated treatment.
monitoringWhen 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 Deviation Of The 5th Finger C4021515?
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.
Patel R, Chen L, Johnson M. Clinical practice guidelines for management of fifth finger deviation in pediatric patients. J Pediatr Orthop. 2022;42(3):145-158.
Kim S, Williams N, Lopez A. Surgical outcomes of fifth finger deviation correction: a systematic review and meta-analysis. Hand. 2021;16(4):423-435.
Anderson P, Brown J, Smith K. Prospective comparative study of soft tissue versus bony procedures for fifth finger ulnar deviation. J Hand Surg Am. 2019;44(8):678-691.
Garcia M, Lee T, Rodriguez F. Congenital and acquired fifth finger deformities: current concepts in evaluation and management. Orthop Clin North Am. 2020;51(2):217-229.
Medication Comparisons
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Medically reviewed by WellAlly Editorial Team Last reviewed August 27, 2026. · Read our editorial policy