Free Medical Coding > ICD10 CM > 2024 ICD-10-CM Codes > 2024 ICD-10-CM Codes S00-T88 – Injury, poisoning and certain other consequences of external causes (S00-T88) > 2024 ICD-10-CM Codes S40-S49 – Injuries to the shoulder and upper arm (S40-S49) > 2024 ICD-10-CM Codes S44 – Injury of nerves at shoulder and upper arm level (S44) > 2024 ICD-10-CM Codes S44.0 – Injury of ulnar nerve at upper arm level (S44.0) > 2024 ICD-10-CM Codes S44.00 – Injury of ulnar nerve at upper arm level, unspecified arm (S44.00)