ICD-10-CM · G56.00
ICD-10 G56.00: Carpal tunnel syndrome, unspecified upper limb
CTS without laterality. Use G56.01 (right), G56.02 (left), G56.03 (bilateral) when known.
Code
G56.00
Category
Diseases of the nervous system (G00-G99)
Clinical context
CTS without laterality. Use G56.01 (right), G56.02 (left), G56.03 (bilateral) when known.
Documentation requirements
- Symptoms
- Provocative tests
- EMG/NCS if performed
Common related procedures
- 95860-95937 EMG/NCS
- 64721 CTR release surgery
Common payer denial patterns
- Surgical release requires conservative trial + EMG confirmation typically
Frequently asked questions
What does ICD-10 G56.00 mean?
Carpal tunnel syndrome, unspecified upper limb
When is this code documented?
CTS without laterality. Use G56.01 (right), G56.02 (left), G56.03 (bilateral) when known.
What documentation supports this code?
Symptoms; Provocative tests; EMG/NCS if performed.
What are common denials associated with this diagnosis?
Surgical release requires conservative trial + EMG confirmation typically.
Related diagnoses
- G20 — Parkinson's disease
- G30.9 — Alzheimer's disease, unspecified
- G35 — Multiple sclerosis
- G40.909 — Epilepsy, unspecified, not intractable, without status epilepticus
- G43.909 — Migraine, unspecified, not intractable, without status migrainosus
- G44.209 — Tension-type headache, unspecified, not intractable
Sources
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