S74.21XA: Injury of cutaneous sensory nerve at hip and thigh level, right leg, initial encounter

Description revised · FY2026

Billable: use this code on claims.

• Description changed effective October 1, 2025. Before that it read: Injury of cutaneous sensory nerve at hip and high level, right leg, initial encounter.

Code breakdown

Coding notes

Excludes2 (from S74)

• injury of nerves at ankle and foot level (S94.-)
• injury of nerves at lower leg level (S84.-)

Code also (from S74)

• any associated open wound (S71.-)

7th character (from S74)

• The appropriate 7th character is to be added to each code from category S74

7th characters (category S74)

• A initial encounter
• D subsequent encounter
• S sequela

Medicare coverage

S74.21XA is listed as a covered diagnosis in 15 Medicare billing and coding articles:

• A53065 Billing and Coding: Outpatient Physical Therapy
• A54095 Billing and Coding: Nerve Conduction Studies and Electromyography
• A54969 Billing and Coding: Nerve Conduction Studies and Electromyography
• A56034 Billing and Coding: Nerve Blockade for Treatment of Chronic Pain and Neuropathy
• A56607 Billing and Coding: Continuous Peripheral Nerve Blocks (CPNB)
• A56619 Billing and Coding: Nerve Conduction Studies and Electromyography
• A56722 Billing and Coding: Intraoperative Neurophysiological Testing
• A56773 Billing and Coding: Neurophysiology Evoked Potentials (NEPs)
• A57041 Billing and Coding: Somatosensory Testing
• A57123 Billing and Coding: Nerve Conduction Studies and Electromyography

…and 5 more. Check the coverage tool for your CPT code.

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All FY2026 ICD-10-CM changes

ICD-10-CM codes and descriptions are from the CMS and NCHS code files. Coverage is from the CMS Medicare Coverage Database billing and coding articles.