Inflammation is the body’s normal response to illness and infection. Inflammatory diseases refer to disorders of the immune system that result in inflammation. Inflammation can be either acute or chronic. While acute inflammation take only hours or days to cure, chronic inflammation such as cancer, diabetes, heart disease or asthma can last for months or years. Through improved testing and diagnosis, these disorders can be diagnosed in the earliest stages and appropriate treatment can be provided. Rheumatologists, allergists, immunologists and other specialists treating such inflammatory disorders can rely on an experienced medical billing and coding company to report those treated conditions in medical claims submitted to insurers.
Diagnosis may include lab tests and imaging tests such as x-rays, MRIs, and ultrasound to make a treatment plan. Treatment for inflammatory diseases may include medications like NSAIDs or corticosteroids, rest, exercise, and surgery to correct joint damage.
Here are the ICD-10 codes to report some common inflammatory diseases.
Type 1 and Type 2 Diabetes Mellitus
E10 Type 1 Diabetes Mellitus
- E10.1 Type 1 diabetes mellitus with ketoacidosis
- E10.2 Type 1 diabetes mellitus with kidney complications
- E10.3 Type 1 diabetes mellitus with ophthalmic complications
- E10.31 Type 1 diabetes mellitus with unspecified diabetic retinopathy
- E10.32 Type 1 diabetes mellitus with mild nonproliferative diabetic retinopathy
- E10.33 Type 1 diabetes mellitus with moderate nonproliferative diabetic retinopathy
- E10.34 Type 1 diabetes mellitus with severe nonproliferative diabetic retinopathy
- E10.35 Type 1 diabetes mellitus with proliferative diabetic retinopathy
- E10.4 Type 1 diabetes mellitus with neurological complications
- E10.40 Type 1 diabetes mellitus with diabetic neuropathy, unspecified
- E10.41 Type 1 diabetes mellitus with diabetic mononeuropathy
- E10.42 Type 1 diabetes mellitus with diabetic polyneuropathy
- E10.43 Type 1 diabetes mellitus with diabetic autonomic (poly)neuropathy
- E10.44 Type 1 diabetes mellitus with diabetic amyotrophy
- E10.49 Type 1 diabetes mellitus with other diabetic neurological complication
- E10.5 Type 1 diabetes mellitus with circulatory complications
- E10.51 Type 1 diabetes mellitus with diabetic peripheral angiopathy without gangrene
- E10.52 Type 1 diabetes mellitus with diabetic peripheral angiopathy with gangrene
- E10.59 Type 1 diabetes mellitus with other circulatory complications
- E10.6 Type 1 diabetes mellitus with other specified complications
- E10.61 Type 1 diabetes mellitus with diabetic arthropathy
- E10.62 Type 1 diabetes mellitus with skin complications
- E10.63 Type 1 diabetes mellitus with oral complications
- E10.64 Type 1 diabetes mellitus with hypoglycemia
- E10.65 Type 1 diabetes mellitus with hyperglycemia
- E10.69 Type 1 diabetes mellitus with other specified complication
- E10.8 Type 1 diabetes mellitus with unspecified complications
- E10.9 Type 1 diabetes mellitus without complications
E11 Type 2 Diabetes Mellitus
- E11.0 Type 2 diabetes mellitus with hyperosmolarity
- E11.00 …… without nonketotic hyperglycemic-hyperosmolar coma (NKHHC)
- E11.01 …… with coma
- E11.1 Type 2 diabetes mellitus with ketoacidosis
- E11.10 …… without coma
- E11.11 …… with coma
- E11.2 Type 2 diabetes mellitus with kidney complications
- E11.21 Type 2 diabetes mellitus with diabetic nephropathy
- E11.22 Type 2 diabetes mellitus with diabetic chronic kidney disease
- E11.29 Type 2 diabetes mellitus with other diabetic kidney complication
- E11.3 Type 2 diabetes mellitus with ophthalmic complications
- E11.31 Type 2 diabetes mellitus with unspecified diabetic retinopathy
- E11.32 Type 2 diabetes mellitus with mild nonproliferative diabetic retinopathy
- E11.33 Type 2 diabetes mellitus with moderate nonproliferative diabetic retinopathy
- E11.4 Type 2 diabetes mellitus with neurological complications
- E11.40 Type 2 diabetes mellitus with diabetic neuropathy, unspecified
- E11.41 Type 2 diabetes mellitus with diabetic mononeuropathy
- E11.42 Type 2 diabetes mellitus with diabetic polyneuropathy
- E11.5 Type 2 diabetes mellitus with circulatory complications
- E11.51 Type 2 diabetes mellitus with diabetic peripheral angiopathy without gangrene
- E11.52 Type 2 diabetes mellitus with diabetic peripheral angiopathy with gangrene
- E11.59 Type 2 diabetes mellitus with other circulatory complications
- E11.6 Type 2 diabetes mellitus with other specified complications
- E11.61 Type 2 diabetes mellitus with diabetic arthropathy
- E11.62 Type 2 diabetes mellitus with skin complications
- E11.63 Type 2 diabetes mellitus with oral complications
- E11.8 Type 2 diabetes mellitus with unspecified complications
- E11.9 Type 2 diabetes mellitus without complications
Medical Coding Guidelines to Report Diabetes Mellitus
Documenting and Coding Six Common Diabetes-Related Skin Disorders
Rheumatoid Arthritis
- M06.8 Other specified rheumatoid arthritis
- M06.80 …… unspecified site
- M06.81 Other specified rheumatoid arthritis, shoulder
- M06.82 Other specified rheumatoid arthritis, elbow
- M06.83 Other specified rheumatoid arthritis, wrist
- M06.84 Other specified rheumatoid arthritis, hand
- M06.9 Rheumatoid arthritis, unspecified
Gout
M10 Gout
- M10.0 Idiopathic gout
- M10.1 Lead-induced gout
- M10.2 Drug-induced gout
- M10.20 …… unspecified site
- M10.21 Drug-induced gout, shoulder
- M10.22 Drug-induced gout, elbow
- M10.23 Drug-induced gout, wrist
- M10.24 Drug-induced gout, hand
- M10.25 Drug-induced gout, hip
- M10.3 Gout due to renal impairment
- M10.30 …… unspecified site
- M10.31 Gout due to renal impairment, shoulder
- M10.32 Gout due to renal impairment, elbow
- M10.4 Other secondary gout
- M10.40 …… unspecified site
- M10.41 Other secondary gout, shoulder
- M10.42 Other secondary gout, elbow
- M10.43 Other secondary gout, wrist
- M10.9 Gout, unspecified
Myositis
- M60.8 Other myositis
- M60.80 …… unspecified site
- M60.81 Other myositis shoulder
- M60.82 Other myositis, upper arm
- M60.83 Other myositis, forearm
- M60.84 Other myositis, hand
- M60.9 Myositis, unspecified
Allergies
- T78.4 Other and unspecified allergy
- T78.40 Allergy, unspecified
- T78.40XA …… initial encounter
- T78.40XD …… subsequent encounter
- T78.40XS …… sequela
ICD-10 Diagnosis Codes for Three Major Allergic Conditions
Medical Coding for Seasonal Allergies and Asthma
Alzheimer’s Disease
- G30 Alzheimer’s disease
- G30.0 Alzheimer’s disease with early onset
- G30.1 Alzheimer’s disease with late onset
- G30.8 Other Alzheimer’s disease
- G30.9 Alzheimer’s disease, unspecified
Asthma
J45 Asthma
- J45.2 Mild intermittent asthma
- J45.3 Mild persistent asthma
- J45.4 Moderate persistent asthma
- J45.5 Severe persistent asthma
- J45.9 Other and unspecified asthma
Ulcerative Colitis or Inflammatory Bowel Disease (IBD)
K51 Ulcerative colitis
- K51.0 Ulcerative (chronic) pancolitis
- K51.2 Ulcerative (chronic) proctitis
- K51.3 Ulcerative (chronic) rectosigmoiditis
- K51.4 Inflammatory polyps of colon
- K51.5 Left sided colitis
- K51.8 Other ulcerative colitis
- K51.9 Ulcerative colitis, unspecified
Crohn’s Disease
K50 Crohn’s disease [regional enteritis]
- K50.0 Crohn’s disease of small intestine
- K50.1 Crohn’s disease of large intestine
- K50.8 Crohn’s disease of both small and large intestine
- K50.9 Crohn’s disease, unspecified
Coding inflammatory bowel disease and other disorders require good knowledge of the relevant diagnosis and procedure codes. Coders need to be up to date with the changing codes and standards to ensure accurate reporting of diagnostic details, which will help avoid denied and delayed claims. Specialists can consider taking support from coders in reliable medical coding outsourcing companies to ensure error-free claim submission.
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