| S31.00 | Unspecified open wound of lower back and pelvis | NON-BILLABLE CODE |
| S31.000 | Unspecified open wound of lower back and pelvis without penetration into retroperitoneum | NON-BILLABLE CODE |
| S31.000A | Unspecified open wound of lower back and pelvis without penetration into retroperitoneum, initial encounter | BILLABLE CODE |
| S31.000D | Unspecified open wound of lower back and pelvis without penetration into retroperitoneum, subsequent encounter | BILLABLE CODE |
| S31.000S | Unspecified open wound of lower back and pelvis without penetration into retroperitoneum, sequela | BILLABLE CODE |
| S31.001 | Unspecified open wound of lower back and pelvis with penetration into retroperitoneum | NON-BILLABLE CODE |
| S31.001A | Unspecified open wound of lower back and pelvis with penetration into retroperitoneum, initial encounter | BILLABLE CODE |
| S31.001D | Unspecified open wound of lower back and pelvis with penetration into retroperitoneum, subsequent encounter | BILLABLE CODE |
| S31.001S | Unspecified open wound of lower back and pelvis with penetration into retroperitoneum, sequela | BILLABLE CODE |
| S31.01 | Laceration without foreign body of lower back and pelvis | NON-BILLABLE CODE |
| S31.010 | Laceration without foreign body of lower back and pelvis without penetration into retroperitoneum | NON-BILLABLE CODE |
| S31.010A | Laceration without foreign body of lower back and pelvis without penetration into retroperitoneum, initial encounter | BILLABLE CODE |
| S31.010D | Laceration without foreign body of lower back and pelvis without penetration into retroperitoneum, subsequent encounter | BILLABLE CODE |
| S31.010S | Laceration without foreign body of lower back and pelvis without penetration into retroperitoneum, sequela | BILLABLE CODE |
| S31.011 | Laceration without foreign body of lower back and pelvis with penetration into retroperitoneum | NON-BILLABLE CODE |
| S31.011A | Laceration without foreign body of lower back and pelvis with penetration into retroperitoneum, initial encounter | BILLABLE CODE |
| S31.011D | Laceration without foreign body of lower back and pelvis with penetration into retroperitoneum, subsequent encounter | BILLABLE CODE |
| S31.011S | Laceration without foreign body of lower back and pelvis with penetration into retroperitoneum, sequela | BILLABLE CODE |
| S31.02 | Laceration with foreign body of lower back and pelvis | NON-BILLABLE CODE |
| S31.020 | Laceration with foreign body of lower back and pelvis without penetration into retroperitoneum | NON-BILLABLE CODE |
| S31.020A | Laceration with foreign body of lower back and pelvis without penetration into retroperitoneum, initial encounter | BILLABLE CODE |
| S31.020D | Laceration with foreign body of lower back and pelvis without penetration into retroperitoneum, subsequent encounter | BILLABLE CODE |
| S31.020S | Laceration with foreign body of lower back and pelvis without penetration into retroperitoneum, sequela | BILLABLE CODE |
| S31.021 | Laceration with foreign body of lower back and pelvis with penetration into retroperitoneum | NON-BILLABLE CODE |
| S31.021A | Laceration with foreign body of lower back and pelvis with penetration into retroperitoneum, initial encounter | BILLABLE CODE |
| S31.021D | Laceration with foreign body of lower back and pelvis with penetration into retroperitoneum, subsequent encounter | BILLABLE CODE |
| S31.021S | Laceration with foreign body of lower back and pelvis with penetration into retroperitoneum, sequela | BILLABLE CODE |
| S31.03 | Puncture wound without foreign body of lower back and pelvis | NON-BILLABLE CODE |
| S31.030 | Puncture wound without foreign body of lower back and pelvis without penetration into retroperitoneum | NON-BILLABLE CODE |
| S31.030A | Puncture wound without foreign body of lower back and pelvis without penetration into retroperitoneum, initial encounter | BILLABLE CODE |
| S31.030D | Puncture wound without foreign body of lower back and pelvis without penetration into retroperitoneum, subsequent encounter | BILLABLE CODE |
| S31.030S | Puncture wound without foreign body of lower back and pelvis without penetration into retroperitoneum, sequela | BILLABLE CODE |
| S31.031 | Puncture wound without foreign body of lower back and pelvis with penetration into retroperitoneum | NON-BILLABLE CODE |
| S31.031A | Puncture wound without foreign body of lower back and pelvis with penetration into retroperitoneum, initial encounter | BILLABLE CODE |
| S31.031D | Puncture wound without foreign body of lower back and pelvis with penetration into retroperitoneum, subsequent encounter | BILLABLE CODE |
| S31.031S | Puncture wound without foreign body of lower back and pelvis with penetration into retroperitoneum, sequela | BILLABLE CODE |
| S31.04 | Puncture wound with foreign body of lower back and pelvis | NON-BILLABLE CODE |
| S31.040 | Puncture wound with foreign body of lower back and pelvis without penetration into retroperitoneum | NON-BILLABLE CODE |
| S31.040A | Puncture wound with foreign body of lower back and pelvis without penetration into retroperitoneum, initial encounter | BILLABLE CODE |
| S31.040D | Puncture wound with foreign body of lower back and pelvis without penetration into retroperitoneum, subsequent encounter | BILLABLE CODE |
| S31.040S | Puncture wound with foreign body of lower back and pelvis without penetration into retroperitoneum, sequela | BILLABLE CODE |
| S31.041 | Puncture wound with foreign body of lower back and pelvis with penetration into retroperitoneum | NON-BILLABLE CODE |
| S31.041A | Puncture wound with foreign body of lower back and pelvis with penetration into retroperitoneum, initial encounter | BILLABLE CODE |
| S31.041D | Puncture wound with foreign body of lower back and pelvis with penetration into retroperitoneum, subsequent encounter | BILLABLE CODE |
| S31.041S | Puncture wound with foreign body of lower back and pelvis with penetration into retroperitoneum, sequela | BILLABLE CODE |
| S31.05 | Open bite of lower back and pelvis | NON-BILLABLE CODE |
| S31.050 | Open bite of lower back and pelvis without penetration into retroperitoneum | NON-BILLABLE CODE |
| S31.050A | Open bite of lower back and pelvis without penetration into retroperitoneum, initial encounter | BILLABLE CODE |
| S31.050D | Open bite of lower back and pelvis without penetration into retroperitoneum, subsequent encounter | BILLABLE CODE |
| S31.050S | Open bite of lower back and pelvis without penetration into retroperitoneum, sequela | BILLABLE CODE |
| S31.051 | Open bite of lower back and pelvis with penetration into retroperitoneum | NON-BILLABLE CODE |
| S31.051A | Open bite of lower back and pelvis with penetration into retroperitoneum, initial encounter | BILLABLE CODE |
| S31.051D | Open bite of lower back and pelvis with penetration into retroperitoneum, subsequent encounter | BILLABLE CODE |
| S31.051S | Open bite of lower back and pelvis with penetration into retroperitoneum, sequela | BILLABLE CODE |
