American College of Physicians: Internal Medicine — Doctors for Adults ®

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ICD-9 diagnosis codes updated for 2011-2012

From the November/December ACP Internist, copyright 2011 by the American College of Physicians

By Debra Lansey

The latest annual update of the ICD-9 diagnosis codes is completed and took effect Oct. 1, 2011. Presented below are ICD-9 diagnosis code changes that are likely to be used by internal medicine specialist and subspecialist physicians.

There are three types of code changes in the list below:

  • new codes that have not appeared in ICD-9 before,
  • revised codes whose descriptions have been altered slightly for clarification or for granularity, and
  • deleted codes that are no longer valid for claims use.
ICD-9 diagnosis codes updated for 2011-2012

For codes not listed here, refer to the 2012 ICD-9 code book, or to the Centers for Disease Control and Prevention's (CDC's) website. Claims submitted after Oct. 1, 2011 will likely be rejected if they contain deleted codes.

Infectious and parasitic diseases

Deleted codes

041.4 Escherichia coli [E. coli] infection in conditions classified elsewhere and of unspecified site

New codes

041.41 Shiga toxin-producing Escherichia coli [E. coli] (STEC) O157

041.42 Other specified Shiga toxin-producing Escherichia coli [E. coli] (STEC)

041.43 Shiga toxin-producing Escherichia coli [E. coli] (STEC), unspecified

041.49 Other and unspecified Escherichia coli [E. coli]

Neoplasms

Deleted codes

173.0 Other malignant neoplasm of skin of lip

173.1 Other malignant neoplasm of skin of eyelid, including canthus

173.2 Other malignant neoplasm of skin of ear and external auditory canal

173.3 Other malignant neoplasm of skin of other and unspecified parts of face

173.4 Other malignant neoplasm of scalp and skin of neck

173.5 Other malignant neoplasm of skin of trunk, except scrotum

173.6 Other malignant neoplasm of skin of upper limb, including shoulder

173.7 Other malignant neoplasm of skin of lower limb, including hip

173.8 Other malignant neoplasm of other specified sites of skin

173.9 Other malignant neoplasm of skin, site unspecified

New codes

173.00 Unspecified malignant neoplasm of skin of lip

173.01 Basal cell carcinoma of skin of lip

173.02 Squamous cell carcinoma of skin of lip

173.09 Other specified malignant neoplasm of skin of lip

173.10 Unspecified malignant neoplasm of eyelid, including canthus

173.11 Basal cell carcinoma of eyelid, including canthus

173.12 Squamous cell carcinoma of eyelid, including canthus

173.19 Other specified malignant neoplasm of eyelid, including canthus

173.20 Unspecified malignant neoplasm of skin of ear and external auditory canal

173.21 Basal cell carcinoma of skin of ear and external auditory canal

173.22 Squamous cell carcinoma of skin of ear and external auditory canal

173.29 Other specified malignant neoplasm of skin of ear and external auditory canal

173.30 Unspecified malignant neoplasm of skin of other and unspecified parts of face

173.31 Basal cell carcinoma of skin of other and unspecified parts of face

173.32 Squamous cell carcinoma of skin of other and unspecified parts of face

173.39 Other specified malignant neoplasm of skin of other and unspecified parts of face

173.40 Unspecified malignant neoplasm of scalp and skin of neck

173.41 Basal cell carcinoma of scalp and skin of neck

173.42 Squamous cell carcinoma of scalp and skin of neck

173.49 Other specified malignant neoplasm of scalp and skin of neck

173.50 Unspecified malignant neoplasm of skin of trunk, except scrotum

173.51 Basal cell carcinoma of skin of trunk, except scrotum

173.52 Squamous cell carcinoma of skin of trunk, except scrotum

173.59 Other specified malignant neoplasm of skin of trunk, except scrotum

173.60 Unspecified malignant neoplasm of skin of upper limb, including shoulder

173.61 Basal cell carcinoma of skin of upper limb, including shoulder

173.62 Squamous cell carcinoma of skin of upper limb, including shoulder

173.69 Other specified malignant neoplasm of skin of upper limb, including shoulder

173.70 Unspecified malignant neoplasm of skin of lower limb, including hip

173.71 Basal cell carcinoma of skin of lower limb, including hip

173.72 Squamous cell carcinoma of skin of lower limb, including hip

173.79 Other specified malignant neoplasm of skin of lower limb, including hip

173.80 Unspecified malignant neoplasm of other specified sites of skin

173.81 Basal cell carcinoma of other specified sites of skin

173.82 Squamous cell carcinoma of other specified sites of skin

173.89 Other specified malignant neoplasm of other specified sites of skin

173.90 Unspecified malignant neoplasm of skin, site unspecified

173.91 Basal cell carcinoma of skin, site unspecified

173.92 Squamous cell carcinoma of skin, site unspecified

173.99 Other specified malignant neoplasm of skin, site unspecified

Diseases of the blood and blood-forming organs

Deleted codes

284.1 Pancytopenia

286.5 Hemorrhagic disorder due to intrinsic circulating anticoagulants

New codes

282.40 Thalassemia, unspecified

282.43 Alpha thalassemia

282.44 Beta thalassemia

282.45 Delta-beta thalassemia

282.46 Thalassemia minor

282.47 Hemoglobin E-beta thalassemia

284.11 Antineoplastic chemotherapy-induced pancytopenia

284.12 Other drug-induced pancytopenia

284.19 Other pancytopenia

286.52 Acquired hemophilia

286.53 Antiphospholipid antibody with hemorrhagic disorder

286.59 Other hemorrhagic disorder due to intrinsic circulating anticoagulants, antibodies, or inhibitors

Diseases of the circulatory system

Deleted code

425.1 Hypertrophic obstructive cardiomyopathy

New codes

414.4 Coronary atherosclerosis due to calcified coronary lesion

415.13 Saddle embolus of pulmonary artery

425.11 Hypertrophic obstructive cardiomyopathy

425.18 Other hypertrophic cardiomyopathy

444.01 Saddle embolus of abdominal aorta

444.09 Other arterial embolism and thrombosis of abdominal aorta

Diseases of the respiratory system

Deleted code

518.5 Pulmonary insufficiency following trauma and surgery

Revised codes

488.11 Influenza due to identified 2009 H1N1 influenza virus with pneumonia

488.12 Influenza due to identified 2009 H1N1 influenza virus with other respiratory manifestations

488.19 Influenza due to identified 2009 H1N1 influenza virus with other manifestations

New codes

488.81 Influenza due to identified novel influenza A virus with pneumonia

488.82 Influenza due to identified novel influenza A virus with other respiratory manifestations

488.89 Influenza due to identified novel influenza A virus with other manifestations

508.2 Respiratory conditions due to smoke inhalation

512.2 Postoperative air leak

512.81 Primary spontaneous pneumothorax

512.82 Secondary spontaneous pneumothorax

512.83 Chronic pneumothorax

512.84 Other air leak

512.89 Other pneumothorax

516.30 Idiopathic interstitial pneumonia, not otherwise specified

516.31 Idiopathic pulmonary fibrosis

516.32 Idiopathic non-specific interstitial pneumonitis

516.33 Acute interstitial pneumonitis

516.34 Respiratory bronchiolitis interstitial lung disease

516.35 Idiopathic lymphoid interstitial pneumonia

516.36 Cryptogenic organizing pneumonia

516.37 Desquamative interstitial pneumonia

516.4 Lymphangioleiomyomatosis

516.5 Adult pulmonary Langerhans cell histiocytosis

516.61 Neuroendocrine cell hyperplasia of infancy

516.62 Pulmonary interstitial glycogenosis

516.63 Surfactant mutations of the lung

516.64 Alveolar capillary dysplasia with vein misalignment

516.69 Other interstitial lung diseases of childhood

518.51 Acute respiratory failure following trauma and surgery

518.52 Other pulmonary insufficiency, not elsewhere classified, following trauma and surgery

518.53 Acute and chronic respiratory failure following trauma and surgery

Diseases of the digestive system

New codes

539.01 Infection due to gastric band procedure

539.09 Other complications of gastric band procedure

539.81 Infection due to other bariatric procedure

539.89 Other complications of other bariatric procedure

Congenital anomalies

Deleted codes

747.3 Anomalies of pulmonary artery

793.1 Nonspecific (abnormal) findings on radiological and other examination of lung field

795.5 Nonspecific reaction to tuberculin skin test without active tuberculosis

New codes

747.31 Pulmonary artery coarctation and atresia

747.32 Pulmonary arteriovenous malformation

747.39 Other anomalies of pulmonary artery and pulmonary circulation

793.11 Solitary pulmonary nodule

793.19 Other nonspecific abnormal finding of lung field

795.51 Nonspecific reaction to tuberculin skin test without active tuberculosis

Injury and poisoning

Deleted codes

999.4 Anaphylactic shock due to serum

999.5 Other serum reaction

Revised codes

995.0 Other anaphylactic reaction

995.60 Anaphylactic reaction due to unspecified food

995.61 Anaphylactic reaction due to peanuts

995.62 Anaphylactic reaction due to crustaceans

995.63 Anaphylactic reaction due to fruits and vegetables

995.64 Anaphylactic reaction due to tree nuts and seeds

995.65 Anaphylactic reaction due to fish

995.66 Anaphylactic reaction due to food additives

995.67 Anaphylactic reaction due to milk products

995.68 Anaphylactic reaction due to eggs

995.69 Anaphylactic reaction due to other specified food

999.32 Bloodstream infection due to central venous catheter

999.33 Local infection due to central venous catheter

999.34 Acute infection following transfusion, infusion, or injection of blood and blood products

999.41 Anaphylactic reaction due to administration of blood and blood products

999.42 Anaphylactic reaction due to vaccination

999.49 Anaphylactic reaction due to other serum

999.51 Other serum reaction due to administration of blood and blood products

999.52 Other serum reaction due to vaccination

999.59 Other serum reaction

Supplementary classification of factors influencing health status and contact with health services

Deleted codes

V12.2 Personal history of endocrine, metabolic, and immunity disorders

V13.8 Personal history of other specified diseases

New codes

V12 Personal history

V12.29 Personal history of other endocrine, metabolic, and immunity disorders

V12.55 Personal history of pulmonary embolism

V13.81 Personal history of anaphylaxis

V13.89 Personal history of other specified diseases

Finally, in a move to ease the transition between ICD-9 and ICD-10, CMS will use a “freeze” on diagnosis coding updates. Beginning Oct. 1, 2012, there will be only limited code updates to the ICD-9 and ICD-10 code sets to capture new technology and diseases. There will be no update to the ICD-9 diagnosis code set on Oct. 1, 2013, at which time the new standard of ICD-10 will go into effect. Regular updates to ICD-10 will begin in 2014.

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Additional resources

Complete information from the CDC on changes to the ICD-9 diagnosis codes is online.

ACP resources on diagnosis coding are online.

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