| S4401 | Injury of ulnar nerve at upper arm level, right arm |
| S4401XA | Injury of ulnar nerve at upper arm level, right arm, initial encounter |
| S4401XD | Injury of ulnar nerve at upper arm level, right arm, subsequent encounter |
| S4401XS | Injury of ulnar nerve at upper arm level, right arm, sequela Injury of ulnar nerve at upper arm level, right arm, sequela |
| S4402 | Injury of ulnar nerve at upper arm level, left arm |
| S4402XA | Injury of ulnar nerve at upper arm level, left arm, initial encounter |
| S4402XD | Injury of ulnar nerve at upper arm level, left arm, subsequent encounter |
| S4402XS | Injury of ulnar nerve at upper arm level, left arm, sequela |
| S441 | Injury of median nerve at upper arm level |
| S4410 | Injury of median nerve at upper arm level, unspecified arm |
| S4410XA | Injury of median nerve at upper arm level, unspecified arm, initial encounter |
| S4410XD | Injury of median nerve at upper arm level, unspecified arm, subsequent encounter |
| S4410XS | Injury of median nerve at upper arm level, unsp arm, sequela Injury of median nerve at upper arm level, unspecified arm, sequela |
| S4411 | Injury of median nerve at upper arm level, right arm |
| S4411XA | Injury of median nerve at upper arm level, right arm, initial encounter |
| S4411XD | Injury of median nerve at upper arm level, right arm, subsequent encounter |
| S4411XS | Injury of median nerve at upper arm level, right arm, sequela |
| S4412 | Injury of median nerve at upper arm level, left arm |
| S4412XA | Injury of median nerve at upper arm level, left arm, initial encounter |
| S4412XD | Injury of median nerve at upper arm level, left arm, subsequent encounter |
| S4412XS | Injury of median nerve at upper arm level, left arm, sequela Injury of median nerve at upper arm level, left arm, sequela |
| S442 | Injury of radial nerve at upper arm level |
| S4420 | Injury of radial nerve at upper arm level, unspecified arm |
| S4420XA | Injury of radial nerve at upper arm level, unspecified arm, initial encounter |
| S4420XD | Injury of radial nerve at upper arm level, unspecified arm, subsequent encounter |
| S4420XS | Injury of radial nerve at upper arm level, unsp arm, sequela Injury of radial nerve at upper arm level, unspecified arm, sequela |
| S4421 | Injury of radial nerve at upper arm level, right arm |
| S4421XA | Injury of radial nerve at upper arm level, right arm, initial encounter |
| S4421XD | Injury of radial nerve at upper arm level, right arm, subsequent encounter |
| S4421XS | Injury of radial nerve at upper arm level, right arm, sequela |
| S4422 | Injury of radial nerve at upper arm level, left arm |
| S4422XA | Injury of radial nerve at upper arm level, left arm, initial encounter |
| S4422XD | Injury of radial nerve at upper arm level, left arm, subsequent encounter |
| S4422XS | Injury of radial nerve at upper arm level, left arm, sequela Injury of radial nerve at upper arm level, left arm, sequela |
| S443 | Injury of axillary nerve |
| S4430 | Injury of axillary nerve, unspecified arm |
| S4430XA | Injury of axillary nerve, unspecified arm, initial encounter Injury of axillary nerve, unspecified arm, initial encounter |
| S4430XD | Injury of axillary nerve, unspecified arm, subsequent encounter |
| S4430XS | Injury of axillary nerve, unspecified arm, sequela |
| S4431 | Injury of axillary nerve, right arm |
| S4431XA | Injury of axillary nerve, right arm, initial encounter |
| S4431XD | Injury of axillary nerve, right arm, subsequent encounter |
| S4431XS | Injury of axillary nerve, right arm, sequela |
| S4432 | Injury of axillary nerve, left arm |
| S4432XA | Injury of axillary nerve, left arm, initial encounter |
| S4432XD | Injury of axillary nerve, left arm, subsequent encounter |
| S4432XS | Injury of axillary nerve, left arm, sequela |
| S444 | Injury of musculocutaneous nerve |
| S4440 | Injury of musculocutaneous nerve, unspecified arm |
| S4440XA | Injury of musculocutaneous nerve, unspecified arm, initial encounter |