STRUCTURE OF THE ICD-11 CLASSIFICATION
Structure of the ICD-11 Classification
Click MG30 Chronic pain to learn more.
Click MG30.0 Chronic primary pain to learn more.
MG30.01 Chronic widespread pain
Includes:
- Fibromyalgia syndrome
8D8A.0 Complex regional pain syndrome
8D8A.00 CRPS Type I
8D8A.01 CRPS Type II
MG30.03 Chronic primary headache or orofacial pain
Includes:
- Chronic primary temporomandibular disorder pains
- Chronic primary temporomandibular joint arthralgia
- Chronic primary myofascial temporomandibular disorder pain
- Chronic primary orofacial pain
8A80.2 Chronic migraine
8A81.2 Chronic tension-type headache
8A82 Trigeminal autonomic cephalalgias (TACs)
DA0F.0 Burning mouth syndrome
MG30.00 Chronic primary visceral pain
Includes:
- Chronic primary chest pain syndrome
- Chronic primary epigastric pain syndrome
- Chronic primary abdominal pain syndrome
- Chronic primary bladder pain syndrome
- Chronic primary pelvic pain syndrome
DD91.0 Irritable bowel syndrome
MG30.02 Chronic primary musculoskeletal pain
Includes:
- Chronic primary low back pain
- Chronic primary cervical pain
- Chronic primary thoracic pain
- Chronic primary limb pain
MG30.0Y Other specified chronic primary pain
MG30.0Z Chronic primary pain, unspecified
Click MG30.1 Chronic cancer-related pain to learn more.
MG30.10 Chronic cancer pain
Includes:
- Chronic visceral cancer pain
[secondary parent: Chronic secondary visceral pain] - Chronic bone cancer pain
- Chronic neuropathic cancer pain
[secondary parent: Chronic neuropathic pain]
MG30.11 Chronic post-cancer treatment pain
Includes:
- Chronic post-cancer medicine pain
- Chronic painful chemotherapy-induced polyneuropathy
[secondary parent: Chronic neuropathic pain] - Chronic post-radiotherapy pain
- Chronic painful radiation-induced neuropathy
[secondary parent: Chronic neuropathic pain]
MG30.1Y Other specified chronic cancer-related pain
MG30.1Z Chronic cancer-related pain, unspecified
Click MG30.2 Chronic postsurgical or post traumatic pain to learn more.
MG30.21 Chronic postsurgical pain
Includes:
- Chronic pain after amputation
[secondary parent: Chronic neuropathic pain] - Chronic pain after spinal surgery
- Chronic pain after thoracotomy
- Chronic pain after breast surgery
- Chronic pain after herniotomy
- Chronic pain after hysterectomy
- Chronic pain after arthroplasty
MG30.20 Chronic post traumatic pain
Includes:
- Chronic pain after burns injury
- Chronic pain after musculoskeletal injury
[secondary parent: Chronic musculoskeletal pain associated with structural changes] - Chronic whiplash injury associated pain
Coded elsewhere:
- Chronic pain after spinal cord injury (MG30.50)
- Chronic pain after brain injury (MG30.50)
- Chronic pain after peripheral nerve injury (MG30.51)
MG30.2Y Other specified chronic postsurgical or post traumatic pain
MG30.2Z Chronic postsurgical or post traumatic pain, unspecified
Click MG30.5 Chronic neuropathic pain to learn more.
MG30.51 Chronic peripheral neuropathic pain
Includes:
- Chronic neuropathic pain after peripheral nerve injury
[secondary parent: chronic post traumatic pain] - Chronic painful polyneuropathy
- Chronic painful radiculopathy
8B82.0 Trigeminal neuralgia
1E91.5 Postherpetic neuralgia
MG30.50 Chronic central neuropathic pain
Includes:
- Chronic central neuropathic pain associated with spinal cord injury
[secondary parent: chronic post traumatic pain] - Chronic central neuropathic pain associated with brain injury
[secondary parent: chronic post traumatic pain] - Chronic central post-stroke pain
- Chronic central neuropathic pain associated with multiple sclerosis
MG30.5Y Other specified chronic neuropathic pain
MG30.5Z Chronic neuropathic, unspecified
Click MG30.6 Chronic secondary headache or orofacial pain to learn more.
MG60.61 Chronic dental pain
Includes:
- Chronic dental pain attributed to irreversible pulpitis
- Chronic dental pain attributed to symptomatic apical periodontitis
MG30.62 Chronic neuropathic orofacial pain
Includes:
- Other cranial neuralgias
8B82.0 Trigeminal neuralgia
MG30.63 Headache or orofacial pain attributed to chronic secondary temporomandibular disorders
Includes:
- Chronic secondary orofacial muscle pain
- Chronic secondary temporomandibular joint pain
8A84.Y Other specified secondary headache
Includes:
- Headache or orofacial pain attributed to trauma or injury to the head and/or neck
- Headache or orofacial pain attributed to cranial or cervical vascular disorder
- Headache or orofacial pain attributed to non-vascular intracranial disorder
- Headache or orofacial pain attributed to a substance or its withdrawal
- Headache or orofacial pain attributed to infection
- Headache or orofacial pain attributed to disorders of homeostasis or their nonpharmacological treatment
- Headache or orofacial pain attributed to disorders of the cranium, neck, eyes, ears, sinuses, salivary glands, oral mucosa
MG30.6Y Other specified chronic secondary headache or orofacial pain
MG30.6Z Chronic secondary headache or orofacial pain, unspecified
Click MG30.4 Chronic secondary visceral pain to learn more.
MG30.42 Chronic visceral pain from persistent inflammation
Includes:
- Chronic visceral pain from persistent inflammation in the head / neck region
- Chronic visceral pain from persistent inflammation in the thoracic region
- Chronic visceral pain from persistent inflammation in the abdominal region
- Chronic visceral pain from persistent inflammation in the pelvic region
MG30.41 Chronic visceral pain from vascular mechanisms
Includes:
- Chronic visceral pain from vascular mechanisms in the head / neck region
- Chronic visceral pain from vascular mechanisms in the thoracic region
- Chronic visceral pain from vascular mechanisms in the abdominal region
- Chronic visceral pain from vascular mechanisms in the pelvic region
MG30.40 Chronic visceral pain from mechanical factors
Includes:
- Chronic visceral pain from mechanical factors in the head / neck region
- Chronic visceral pain from mechanical factors in the thoracic region
- Chronic visceral pain from mechanical factors in the abdominal region
- Chronic visceral pain from mechanical factors in the pelvic region
MG30.4Y Other specified chronic secondary visceral pain
MG30.4Z Chronic secondary visceral pain, unspecified
Click MG30.3 Chronic secondary musculoskeletal pain to learn more.
MG30.30 Chronic musculoskeletal pain from persistent inflammation
Includes:
- Chronic musculoskeletal pain from persistent inflammation due to infection
- Chronic musculoskeletal pain from persistent inflammation due to crystal deposition
- Chronic musculoskeletal pain from persistent inflammation due to autoimmune and auto-inflammatory disorder
MG30.31 Chronic musculoskeletal pain associated with structural changes
Includes:
- Chronic musculoskeletal pain associated with osteoarthritis
- Chronic musculoskeletal pain associated with spondylosis
Coded elsewhere:
- Chronic pain after musculoskeletal injury (MG30.20)
MG30.32 Chronic musculoskeletal pain associated with a disease of the nervous system
Includes:
- Chronic musculoskeletal pain associated with Parkinon’s disease
- Chronic musculoskeletal pain associated with multiple sclerosis
- Chronic musculoskeletal pain associated with peripheral neurologic disease
MG30.3Y Other specified chronic secondary visceral pain
MG30.3Z Chronic secondary visceral pain, unspecified