ICD-10-CM > M00-M99 > M50-M54 > M54 > M54.8 M54.8 Other dorsalgia Non-Billable/Non-Specific Type 1 Excludes dorsalgia in thoracic region (M54.6)low back pain (M54.5-) Codes M54.81Occipital neuralgiaM54.89Other dorsalgia