Low back pain, unspecified

• arthropathic psoriasis (L40.5-)
• certain conditions originating in the perinatal period (P04-P96)
• certain infectious and parasitic diseases (A00-B99)
• compartment syndrome (traumatic) (T79.A-)
• complications of pregnancy, childbirth and the puerperium (O00-O9A)
• congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
• endocrine, nutritional and metabolic diseases (E00-E88)
• injury, poisoning and certain other consequences of external causes (S00-T88)
• neoplasms (C00-D49)
• symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition

• current injury - see injury of spine by body region
• discitis NOS (M46.4-)

psychogenic dorsalgia (F45.41)

• intervertebral disc degeneration, lumbar region with discogenic back pain only (M51.360)
• intervertebral disc degeneration, lumbosacral region with discogenic back pain only (M51.370)
• low back strain (S39.012)
• lumbago due to intervertebral disc displacement (M51.2-)
• lumbago with sciatica (M54.4-)