M99.00 - Segmental and somatic dysfunction of head region

The ICD 10 Code for Segmental and somatic dysfunction of head region is listed as M99.00.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field	Value
Diagnosis Code:	M99.00
Description:	Segmental and somatic dysfunction of head region
Diagnostic Related Groups (MS-DRG v30.0)	555 - Signs & Symptoms Of Musculoskeletal System & Conn Tissue W Mcc 556 - Signs & Symptoms Of Musculoskeletal System & Conn Tissue W/o Mcc

Chapter	Diseases of the musculoskeletal system and connective tissue (M00-M99)
Block	Biomechanical lesions, not elsewhere classified (M99)
Parent	M99.0 - Segmental and somatic dysfunction
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code:	739.0 - Nonallopathic lesions, head region (approximate)
ICD-10-CM Siblings (same level / similar specificity) of M99.00:
M99.01 - Segmental and somatic dysfunction of cervical region
M99.02 - Segmental and somatic dysfunction of thoracic region
M99.03 - Segmental and somatic dysfunction of lumbar region
M99.04 - Segmental and somatic dysfunction of sacral region
M99.05 - Segmental and somatic dysfunction of pelvic region
M99.06 - Segmental and somatic dysfunction of lower extremity
M99.07 - Segmental and somatic dysfunction of upper extremity
M99.08 - Segmental and somatic dysfunction of rib cage
M99.09 - Segmental and somatic dysfunction of abdomen and other regions