S34.121

Incomplete lesion of L1 level of lumbar spinal cord

Header / non-billable

This code does not map to a risk-adjusting HCC in the loaded models.

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

This code · S34.121
Synonyms

Incomplete lesion of lumbar spinal cord level 1

Inherited from S34Inj lower spinl cord and nrv at abd, low back and pelv level
Code also

any associated: fracture of vertebra (S22.0-, S32.0-) open wound of abdomen, lower back and pelvis (S31.-) transient paralysis (R29.5)

7th character

The appropriate 7th character is to be added to each code from category S34

Valid 7th characters and their meanings
CharacterMeaning
Ainitial encounter
Dsubsequent encounter
Ssequela
Note

Code to highest level of lumbar cord injury Injuries to the spinal cord (S34.0 and S34.1) refer to the cord level and not bone level injury, and can affect nerve roots at and below the level given.

Inherited from S30-S39Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals
Includes

injuries to the abdominal wall injuries to the anus injuries to the buttock injuries to the external genitalia injuries to the flank injuries to the groin

Excludes 2

burns and corrosions (T20-T32) effects of foreign body in anus and rectum (T18.5) effects of foreign body in genitourinary tract (T19.-) effects of foreign body in stomach, small intestine and colon (T18.2-T18.4) frostbite (T33-T34) insect bite or sting, venomous (T63.4)

Inherited from chapter 19Injury, poisoning and certain other consequences of external causes
Excludes 2

birth trauma (P10-P15) obstetric trauma (O70-O71)

Use additional

code to identify any retained foreign body, if applicable (Z18.-)

Note

Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes. (T07-T88) Injury, poisoning and certain other consequences of external causes (T07-T88) (T20-T32) Burns and corrosions (T20-T32) Includes: burns (thermal) from electrical heating appliances burns (thermal) from electricity burns (thermal) from flame burns (thermal) from friction burns (thermal) from hot air and hot gases burns (thermal) from hot objects burns (thermal) from lightning burns (thermal) from radiation chemical burn [corrosion] (external) (internal) scalds Excludes2: erythema [dermatitis] ab igne (L59.0) radiation-related disorders of the skin and subcutaneous tissue (L55-L59) sunburn (L55.-)

Official Guidelines for S34.121

FY 2026 ›

Sections that reference S34.121

Sections whose FY 2026 text names S34.121, its S34 category, or a range containing it — the chapter guidance above is the authoritative source.

Find S34.121 in the alphabetic index

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